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....
从山上冲刷下来的泥土就要让水电大坝淤塞了。The soil washed from the hills is silting up the hydroelectric dams.大使馆内的水电都被切断了。Light and water in embassy buildings were cut off.水电的潜力因地而异.The potential of hydroelectricity of one region varies fro...
Correct decisions stem from correct judgements.正确的决心来源于正确的判断.He told the magazine in an exclusive interview: "All my problems stem from drink".他在接受一家杂志社的独家采访时说：“我所有的问题都是饮酒造成的。”All my problems stem from drink.我所有的问题都源于酗酒。...