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GRE蓝宝书核心词汇突破:字母c开头的单词

corroboratevt. 使坚固,确证(confirm)
(类)corroborate·evidence=calumniate·falsehood确证依靠证据=诽谤依靠谎言
(反)lessening of certainty可信度降低controvert 辩驳deny否认
(记)robor(强壮) 谐音:萝卜使人强壮。

corrosiveadj. 腐蚀的,侵蚀的n.腐蚀剂
(类)etch·corrosive=glue·adhesive蚀刻·腐蚀剂=粘贴·粘合剂(前者靠后者实现)
【注】etch :to cut into the surface of (glass, for example) by the action of acid
(记)参考 erosive 腐蚀性的

corrugatedadj. 满是皱纹的(wrinkled; ridged)
(反)corrugated
◆ smooth满是皱纹的
◆ 光滑的
(记)参考:ruga 本身是一个词:皱纹。
(例)She wished she could smooth away the wrinkles from his corrugated brow.
她希望将皱纹从额头上除掉。

cosmopolitanadj. 世界性的(pertinent or common to the whole world)
(类)provincial·cosmopolitan=【bigot·tolerant】地方的·世界性的=狭隘者·宽容的
【注】对应不整齐,前者是反义关系,后者是反面特征
(反)insular
◆ cosmopolitan狭隘的,孤立的
◆ 世界性的
insularity
◆ cosmopolitanism偏狭,孤立
◆ 世界大同主义
(同)catholic, cosmic, ecumenical, global, planetary, worldwide
(记)参考:cosmos 宇宙