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 ...
Peter Forey is curator of fossil fishes at the Natural History Museum.彼得·福雷是自然历史博物馆鱼类化石展厅的负责人。The curator conducted us round the museum.馆长带领我们在博物馆各处参观.Curator conducted the visitors round the museum.馆长领着游客们在博物馆中参观....