Fat is an excellent insulator against the cold.脂肪是极好的抵御寒冷的绝热体。Dry air is a good insulator, but sea water is not.干燥空气是一种好绝缘物, 海水则不是.The atoms of an insulator hold their electrons very tight.绝缘体的原子把电子抓得很牢....
Fat is an excellent insulator against the cold.脂肪是极好的抵御寒冷的绝热体。Any two conductors separated by an insulator are said to form a capacitor.由绝缘体隔开任何两个导体就组成电容器.The FRP is an insulator to electricity, so it is good in safety.因...
There was an astounding 20% increase in sales.销售量惊人地增加了20%。...an astounding ten layers of staff between the factory worker and the chief executive...工厂工人和首席执行官之间10个等级的巨大差距This astounding cell will continue multiplying, r...
Listen to criticism but don't be crushed by it.听取批评意见，但不要被它击垮。The olives are crushed to a pulp by stone rollers.橄榄被石磙碾成了酱。The crowd stampeded and many were crushed or trampled underfoot.人群争先恐后地奔逃，很多人被压伤或踩踏。...
He was very resentful of their success.他对他们的成功愤愤不平。At first I felt very resentful and angry about losing my job.起初我对丢掉工作感到非常怨恨和恼怒。He felt deeply resentful towards his ex-wife.他对前妻怨恨极深。They're resentful that outsider...