英语词汇umbra的意思、用法及释义-英汉双解词典

单词	umbra
释义	umbra n (pl -rae or ~s) (astronomy 天) dark central part of the shadow cast by the earth or the moon in an eclipse, or of a sunspot 本影. Cf 参看 penumbra.
随便看	cosmonaut cosmopolitan cosmos cosset cost cost accountant co-star cost benefit cost-effective cost-effectiveness costermonger costing costliness costly cost price costume costume jewellery costumier cosy cot cotangent cot-death cote co-tenant coterie

英汉双解词典包含38652条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。