注射: injection; inject; get a shot 短语和例子皮下注射 hypodermic injection; 脊椎注射 spine injection; 在某人臀部注射一针 give sb. an injection in the buttock; 医生把葡萄糖注射入病人的静脉。 the doctor injects glucose into the pati
绝缘: 1.[电学] (隔断电流) insulation; isolation; insulate; isolate 短语和例子请检查一下我屋子里电线的绝缘情况。 please examine the insulation of the electric wires in my house.2.(跟外界不发生接触) be cut off from; be isolated from
