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97 Cards in this Set
- Front
- Back
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arid
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adj.干旱的
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conditioner
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n.调节物
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crustal
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n.外壳;地壳
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delicate
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adj.脆弱的
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devoid
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adj.缺乏的
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drainage
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v.排水
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enforce
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v.强制执行
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estimate
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v.估计
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extensive
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adj.大面积的;粗放的
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gradual
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adj.逐渐的
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in excess of
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超过
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millennium
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n.一千年;复数:millennia
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necessitate
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v.使...成为必要
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occupy
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v.占有
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occur
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v.发生
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penetration
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n.穿过
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progressively
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adv.逐渐的
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pulverization
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n.粉碎
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rigorously
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adv.严格地
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runoff
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n.径流（未被土壤吸收的降雨）
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salinization
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n.盐碱化
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semiarid
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adj.半干旱的
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specific
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adj.详细的
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stony
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adj.有石头的
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subsequent
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adj.随后的
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substantial
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adj.大量的;实际的
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substitute
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v.代替
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susceptible
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adj.易受影响的
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tract
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n.耕地
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vegetation
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n.植物
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stable
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a.稳定的;牢固的
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property
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n.财产;性质
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distribution
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n.分配;分布
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stretcher
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n.担架;扩展器
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taut
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adj.拉紧的
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rigid
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adj.坚硬的;严格的
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deteriorate
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v.变坏;变质;恶化
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crack
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n.裂缝
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intrude upon
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v.打扰;侵入
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foreleg
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n.（四足动物的）前腿
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cannonball
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n.炮弹
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hoof
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n.（马,牛, 或鹿的）蹄
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law
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n.定律;原理
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structural
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adj.结构的
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compromise
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n.妥协 v.以折衷方法解决争论,争端,分歧
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brace
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n.支架
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practical
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adj.心灵手巧的;实践的
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occupation
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n.居住;占据
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infuriate
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v.使（某人）大怒;激怒（某人）
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overdue
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adj.（到期或到时）未付款;未完成
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reflect
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v.表现（某事物）的性质;表达（某事物）
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restatement
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n. 再声明;重述
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frustrate
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v. 妨碍;使沮丧
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tallow
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n.（用以制造蜡烛, 肥皂, 润滑剂等的）动物脂
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stearin
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n.硬脂酸甘油
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breakthrough
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n.重大发现
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odor
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n.气味
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vegetable waxes
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植物蜡
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constrain
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v.强迫（某人）做某事
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paralysis
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n. 麻痹;瘫痪
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universal
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adj.全体的;共同的
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profusely
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adv.大量的;丰富的
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branch
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v.（指树）长出枝
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volume
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n.体积;容积
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percolate
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v.（指液体）渗透过（某物）
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leach
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v. 使（液体）过滤
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herd
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n.兽群;牧群;（尤指）牛群
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obliterate
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v.废除;擦掉
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commentary
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n.集注
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refer
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v.提到,说到或涉及到某人,某事物
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pertain
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v.适合
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identical
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adj.次要的
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vase
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n.花瓶
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dynasty
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n.朝代;王朝
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obstruct
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v.阻碍;阻挡
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practitioner
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n.习艺者;实习者
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cetacean
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n.鲸目动物
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whale
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n.鲸
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porpoise
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n.鼠海豚
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fluke
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n.鲸的尾鳍
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disguise
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v.掩饰
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affinity
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n.构造相似
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land-dwelling
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n.陆栖
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limb
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n.肢
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walrus
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n.海象
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envision
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v.想象
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extinct
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v.灭绝的
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transitional
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adj.过渡的
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reconstruct
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v.重现
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embed
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v.使......嵌入
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archaeocyte
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n.原始细胞
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jawbone
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n.颚骨
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feed
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v.喂
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breed
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v.繁殖
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skeleton
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n.骨骼
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vestigial
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adj.退化的
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propulsion
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n.推进
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