A firefighter was overcome by fumes at a blaze in a plastics factory.一名消防队员在一家塑料厂的火灾中被烟熏倒了.In the artical, fire retarding methods for plastics are simply introduced.本文简要介绍了塑料的阻燃方法.The color deviation is a very important ...
A formal contract is signed which is renewable annually.正式签订了每年可续签的合同。They decided to put their relationship on a more formal footing.他们决定正式交往。There is no formal linkage between the two agreements.这两项协议之间不存在正式的关联。...