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	jilt Jim Crow jim-jams jimmy jingle jingoism jingoist jingoistic jink jinnee jinx jitter jitterbug jittery jive J, j Jnr Job jobber jobbery jobbing jobcentre job creation job description jobless

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