击: 动词1.(打; 敲打) beat; hit; strike 短语和例子击掌 clap one's hands; 那位拳击手看准了机会, 猛击对手的下颚。 the boxer saw his chance and struck out at his opponent's jaw. 在最后一刻, 那位运动员终于击进了一球。 at the last moment the play
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
