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	layer layer cake layette lay figure lay into sb/sth layman lay-off lay off (sb) layout lay over lay-over lay sb out lay sb up lay sth aside lay sth away lay sth down lay sth in lay sth on laze lazily laziness lazy lazy-bones lazy Susan lb

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