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...
照现在的情形，这条法律是难以执行的。The law as it stands is unworkable.一种按照能在计算机中执行的格式而存在的程序.A program in a form that can be executed on a computer.这项命令是谁执行的?By whom was the order executed?...
Paul's very good at conjuring.保罗很会变戏法.Every day a different chef will be conjuring up delicious dishes in the restaurant.每天，饭店里会有一位不同的大厨像变戏法似的奉上可口的菜肴。We're dismal enough without conjuring up ghosts and visions ...
The report accuses the judicial system of inconsistency and partiality.报告指责司法系统执法前后不一且有失公正。His worst fault was his inconsistency.他最大的缺点就是反复无常。This is an argument shot through with inconsistency.这个论点前后矛盾，漏洞百出。...