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....
Flora Manhood had never taken part in a mystery.弗洛拉·曼胡德从未介入过任何秘密勾当.The crash had spilled a noxious defoliant into the planet's ecology, ravaging the native flora.这次坠毁将一种有害的落叶剂洒入星球的生态系统中, 破坏着当地的植物群.A vacant lot or a ...
The American will appear before members of the disciplinary committee at Portman Square.那个美国人将在波特曼广场接受纪律委员会成员的审问。Listen to the biography of Natalie Portman.听NataliePortman的传记.Old Doctor Portman was one of the few who cam...
组织者不得不雇些演员来聚拢人气。The organisers have to employ performers to pull a crowd.旧货义卖的组织者会感激地领受您捐赠的旧衣物。Your old clothes will be gratefully accepted by jumble sale organisers.这是个重要时刻，它使得优胜杯赛组织者的努力圆满告捷。It is an important moment, c...
Ellery's return will help to chase away some of the gloom.埃勒里的归来可以驱散一些抑郁的情绪。The economic gloom of the early 1980s was relieved by fanciful architecture.20世纪80年代初期的经济萧条气氛因各种奇异古怪建筑的出现而有所缓解。The gloom deepened after a t...
消防员花了两个小时才把传动带切断，把他救了出来。It took firemen two hours to cut through the drive belt to free him.转盘由一根传动带与电机相连。The turning disc is connected by a drive belt to an electric motor.车厢的传动带又通常称之为动力传动系统.The train of the car can is ...
一层沙尘a layer of gritty dust空中的沙尘将能见距离降低到100码.The sand in the air reduced visibility to a hundred yards.带着沙尘的风在这里留下了一层细土.A fine soil was deposited by winds carrying desert dust....