围裙是做脏活时的保护物.An apron is a protection when doing dirty work.各种维生素都是保护物,能对抗某些养素缺乏症.Vitamins are protectives against certain deficiency disease.钢铁制品常常涂上一层保护物,以免生锈.Steel and iron products are often coated lest they should ru...
当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.他描述了被俘4个月里挣扎求生的艰难岁月。He describe...
'Don't be vulgar,' she reprimanded.“不要无礼，”她斥责道。In England & quot ; fanny & quot ; is vulgar slang for female genitals.在英格兰,“ fanny ”是对女性生殖器的粗鄙称谓.We should get rid ourselves of the vulgar ways of logrolling...
Component object model ( COM ) technique is one of the basilic techniques of Microsoft Cooperation.组件对象模型 ( COM ) 是微软公司的重要技术之一.The researching of free radical is basilic researchful approach free radical's chemistry...