an instance of giving off something such as a liquid, light, or smell (液体、光或气体的)流出,泻出,发散 a massive effusion of poisonous gas. 有毒气体的大量泻漏。 [mass noun]he studied the rates of effusion of gases. 他研究了各种气体泻出的速度。 ■(Medicine)an escape of fluid into a body cavity (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) literary effusions. 文学倾诉。
语源
late Middle English: from Latin effusio(n-), from effundere 'pour out' (see effuse)