The vigorous pursuit of policies is no guarantee of success.坚决贯彻方针政策并不能保证成功。There is a consistent thread running through all these policies.所有这些政策中贯穿着一条始终如一的主线。...their governments' policies of feminizing low-paid f...
They found a bacterium visible to the human eye.他们发现了一种肉眼可见的细菌。They have isolated the bacterium in its pure form.他们已经把细菌分离出来,使它们处于较纯的状态.A bacterium is identified as the cause for his duodenal ulcer.一种细菌被断定为造成他十二指肠溃疡的根源....