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 ...
If you build more plastics into cars, the car lasts longer.如果汽车采用更多塑料元件，寿命会更长一些。The superglue may not create a bond with some plastics.强力胶水可能无法粘住某些塑料。Over the past forty years plastics have revolutionised the way we live...
Tracking assigns some students to college prep and others to vocational programs.按照能力，一些学生被分到大学预科班，另一些则被分到职业培训班。Your teacher assigns you work to be done at home.你的老师会分配家庭作业给你.The new theory still assigns definite energy ...
氦是一种非常轻的气体。Helium is a very light gas.氦是一种用于气球的气体.Helium is a gas used in balloons.与氦 - 4不同之处是, 氦-3不能由放射性衰变产生.Unlike helium - 4, it cannot be produced by radioactive decay....
Her experience of men was of domination and brutality.男人给她的感受是支配一切，野蛮残暴。They had five centuries of domination by the Romans.他们被罗马人统治了5个世纪。It is accepted that the superpowers are each seeking world wide domination.公认的事实是:...