收缩: 1.(由大变小; 由长变短) contract; shrink 短语和例子使肌肉收缩 contract a muscle; 低温使金属收缩。 low temperature contracts metals. 这肥皂会使毛织品收缩吗? will this soap shrink woolen clothes?2.(紧缩) concentrate one's forces;
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
