普通人的命运任凭那些平庸刻板的官僚们摆布。Ordinary people are at the mercy of faceless bureaucrats.雷尼是个平庸而且相当乏味的老师。Rainey was an unimpressive, rather dull lecturer.我认为这部戏剧只是平庸之作。I thought the play was only mediocre....
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....