an instance of giving off something such as a liquid, light, or smell
(液体、光或气味的)流出,泻出,发散
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a massive effusion of poisonous gas 有毒气体的大量泄漏
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[mass noun]
he studied the rates of effusion of gases .他研究了各种气体的泄漏速度。
【医】 渗出。
an act of talking or writing in an unrestrained or heartfelt way
倾诉(指无约束、真诚地说或写)
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literary effusions .文学倾诉。
"late Middle English: from Latin