柯林斯詞典kill off (killing,killed,kills) 1. →see kill 2. PHRASAL VERB If you say that a group or an amount of something has been killed off, you mean that all of them or all of it have been killed or destroyed. 殺光; 把…滅絕 Their natural predators have been killed off. 他們的天敵已被滅絕。 It is an effective treatment for the bacteria and does kill it off. 這是一種有效的滅菌方法，確實(shí)把細(xì)菌都?xì)⒐饬恕?/p> 返回 kill off