Knocke克诺克
knockv.敲击;互撞;攻击n.敲;敲门;敲打
knocking hammer狭膝
Knock it off.少来这一套
knockdown chain可拆链
knock off joint杆接头
knock indicator爆震器,爆震指示器,爆震强度指示仪
knock sb. out把某人打昏
knock up a meal匆匆做好一餐饭
knockdown barge可拆卸驳船
knock in a nail钉钉子
knock-reducer抗震剂