英语词汇umbra怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-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	African violet Afrikaans Afrikaner Afro- Afro Afro-American aft after afterbirth after-care after-damp after-effect afterglow after-image afterlife aftermost afternoon afternoons aftershave after-taste afterthought afterwards again against agape

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。