英语单词“penumbra”的翻译、意思、用法、释义-英汉词典

单词	penumbra
释义	penumbra[pi'nʌmbrə]n.1.■半影；黑影周围的半阴影2.■【天文学】半影(太阳黑子周围的较淡部分)；(日、月食的)半影3.■浓淡相交之处；边缘；画面明暗交界处4.■程度较弱的周围；外围部分；周围的气氛，氛围变形n.penumbraepenumbras
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