叠: Ⅰ动词1.(一层加上一层; 重复) pile up; repeat 短语和例子层峦叠嶂 peaks rising one higher than another; 一个一个往上叠 pile one above another2.(折叠) fold 短语和例子把信叠好 fold the letter; 叠被子 fold up a quilt; 这些轻便折椅可以叠起来放进汽车。
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
