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	kidnapper kidnapping kidney kidney bean kidney machine kill killer killing killjoy kiln kilo kilo- kilocycle kilogram kilohertz kilometre kilowatt kilt kilted kimono kin kind kindergarten kind-hearted kindle

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