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词汇	concave
释义	con·cave AHD[kŏn-kāvʹ, kŏnʹkāv'] D.J.[kɒnˈkeɪv, ˈkɒnˌkeɪv]K.K.[kɑnˈkev, ˈkɑnˌkev]adj.（形容词）left to right: biconcave, plano-concave, and concavo-convex lensesPrecision Graphics Curved like the inner surface of a sphere.凹的：象球体的内表面一样弯曲的 n.（名词） A concave surface, structure, or line.凹面、凹形结构、或凹线 v.tr.（及物动词）con.caved, con.cav.ing, con.caves To make concave.使…凹陷 Etymology语源 Middle English 中古英语 from Latin concavus 源自 拉丁语 concavus com- [intensive pref.] * see com- com- [前缀，表加强词义] * 参见 com- cavus [hollow] * see keuə- cavus [中空的] * 参见 keuə- Related Forms继承用法concaveʹly adv.（副词）concaveʹness n.（名词）
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