The principles of antisepsis were carried over into the public hygiene.抗菌法的原则被应用于公共卫生.Before the introduction of antisepsis, laparotomy was not usually performed.在发明抗菌法以前, 开腹手术是不常做的.In medicament industry, iodine has hug...
They jogged in silence a while, faces lowered, out of step.他们低着头，一言不发地慢跑了一会儿，步伐也不一致。She submitted to this scrutiny in unsmiling silence, patiently waiting for his next move.让他这么看着,刘玉英也不笑,也不说话, 耐烦地等待那结果.They walked in bad...
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....
The Chinese people have been freed from imperialist oppression.中国人民已经从帝国主义的压迫下解放出来了.All the forces of the anti - imperialist camp are uniting and forging ahead.反 帝国主义阵营的一切力量,正在团结起来,并正在向前发展.The famous anti-feudal and anti...