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....
His clothes were creased, as if he had slept in them.他的衣服皱巴巴的，好像他是穿着衣服睡的。You've creased my newspaper.你把我的报纸弄皱了.The bullet merely creased his shoulder.子弹只不过擦破了他肩部的皮肤....
Button shaped beads pendant , Earing, a meson, welcome to order!异型纽扣珠吊坠,耳钉, 介子一套, 欢迎订货!Domestically company have to process exchange settlement when they get exchange earing.国内单位取得以下的外汇收入的必须结汇,不能保留外汇.He has put on a lot ...