英语词汇双凹是什么意思，双凹的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	双凹
释义	DEFINITIVE EXAMPLES 权威例句〔concavo-concave〕Concave on both surfaces; biconcave. Used of a lens.双面均凹进的；双凹的。用于指透镜美国传统
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英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。