Gene knockout基因敲除;基因剔除;胚胎干细胞基因敲除;基因敲除技术
Knockout pin脱模销;[机] 顶杆;[机] 推出销;脱模杆
knockout drum气液分离罐;[化工] 分离罐;液滴分离器
Lap Knockout淘汰赛;圈道淘汰赛;裁减赛;圈数式淘汰赛
knockout tournament擂台赛;淘汰赛;淘汰制比赛
knockout press[机] 甩力;脱力模甩力
knockout barrel滚筒冷却落砂机
water knockout脱水罐;除滴器;游离水分离器
knockout stage淘汰赛阶段;淘汰赛
N-COUNT（可数名词） In boxing, a knockout is a situation in which a boxer wins the fight by making his opponent fall to the ground and be unable to stand up before the referee has counted to ten. (拳击中的) 击倒获胜 [also 'by' N]
Lennox Lewis ended the scheduled 12-round fight with a knockout in the eighth round.
莱诺克斯·刘易斯在第8回合击倒对方，结束了预定12回合的比赛。
ADJ（形容词） A knockout blow is an action or event that completely defeats an opponent. 彻底击败对手的 [ADJ n]
He delivered a knockout blow to all of his rivals.
他彻底击败了所有对手。
ADJ（形容词） A knockout competition is one in which the players or teams that win continue playing until there is only one winner left. 淘汰制的 (比赛) [英国英语][ADJ n]
N-SING（单数型名词） If you describe someone as a knockout, you think that they are extremely attractive or impressive. 引人注目的人 [非正式]
Jill was a knockout with her biker leathers and t-shirt.
吉尔穿上她的摩托车皮衣和T恤衫非常引人注目。