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...
这个小镇里都是白色平房.It was a town filled with white bungalows.他把那间平房借给康拉德一家住了两三个星期。He had lent the bungalow to the Conrads for a couple of weeks.小平房是房子中的一种类型.A bungalow is / Bungalowsare a type of house....
I felt myself inflating slowly with rage, like a tyre.我感到自己体内的怒气正慢慢膨胀, 像一只轮胎那样.The utility model provides a physiotherapeutic type inflating saddle of bicycle.本实用新型提供了一种理疗充气鞍座.One end of the windpipe is connected with a ...