英语短语词组词汇penumbra的音标、释义、翻译、用法及例句-英语短语词组词典

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