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....
Their quarterly meetings were anodyne affairs.他们的季度会议乏善可陈。It was their delight, their folly, their anodyne, their intellectual stimulant.这是他们的人生乐趣, 他们的一时荒唐, 他们的止痛药, 他们的脑力刺激剂.Although rejected in favour of an anodyne text...