英语词汇“concave”的意思、释义、用法及双语翻译-时代网

词汇	concave
释义	adjective a concave lens/mirror凹透镜；凹镜 The upper surface is slightly concave. The inside of a shiny spoon is a common example of a concave mirror.
随便看	helplessnesses helpline helplines helpmate helpmates helpmeet helpmeets help out helps help-screen help screen helpscreen help something along help something ↔ along help sth along help-the-aged Help the Aged help yourself help yourself to help yourself to something help yourself (to something) help yourself to sth Helsinki helsinki accords helsinki-accords 讣闻讣音认认不是认为认亲认人认仇作父认作认养认准认出认助认可认同认命认头认字认定认尸认得认打认承认捐认敌作父

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