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	sit-down site sit-in sitter sitting sitting member sitting-room sitting tenant situate situated situation situation comedy six sixfold six-footer six-pack sixpence sixpenny six-shooter sixteen sixteenth sixth sixth-former sixthly sixtieth

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