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	week weekday weekend weekly weeny weep weeping weepy weevil wef weft weigh weighbridge weigh-in weighing-machine weighing-scale weight weightily weightiness weighting weightless weightlessness weight-lifter weight-lifting weighty

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