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...
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....
We drank ourselves into a stupor on cheap wine.我们喝廉价葡萄酒喝得酩酊大醉。I was thinking what a tangle we had got ourselves into.我在想，我们卷入了怎样的纷争之中。We both kept pinching ourselves to prove that it wasn't all a dream.我们两个都一直在掐自己，证...
Regular inspections are carried out at the prison.经常有人来视察这座监狱。Physical inspections or tests may also take the place of formal hearings.有形的检查或检测也可代替正式的听证.For all other inspections, a warrant was still necessary.至于所有其他的检查,...
过去10年中，少女怀孕的现象不断增多。Teenage conceptions have risen steadily in the last ten years.她隐瞒了自己怀孕的事，直到孩子出世。She concealed her pregnancy right up to the moment of birth.领养小孩后怀孕的妇女比比皆是。The number of women who become pregnant after ...