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....
The Medicaid Buy - In program offers Medicaid coverage to people with disabilities.医疗补助的买入项目把残疾人也纳入到医保体系中来.Virginia , for example, overhauled its Medicaid program in 2005, raising rates 30 percent.例如弗吉尼亚州在2005年检查了医疗补助程序,...
平台上的警卫吹响了哨子.On the platform, the guard blew his whistle.裁判吹响哨子，比赛才算结束。The game's not over till the ref blows the whistle.裁判在比赛结束时吹响了哨子.The referee blew a whistle at the end of the game....
Man was evolved from an ancestor that was probably arboreal.人大概是从住在树上的祖先进化而来的....arboreal marsupials which resemble monkeys.和猴类相似的树栖有袋动物Squirrels are arboreal creatures.松鼠是栖于树上的动物....the arboreal splendor of the valley.这...