| 例句 |
They found a bacterium visible to the human eye.他们发现了一种肉眼可见的细菌。Treatment is supplemented with a course of antibiotics to kill the bacterium.治疗中加了一个疗程的抗生素进行杀菌。A bacterium was 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。The bacterium is naturally present in large numbers in the intestine.这种细菌大量地自然存在于肠道内。 |