1. Would it, he wondered, do the same to bacteria in the human body?
    因此，他思索着：这种霉菌是否也能杀灭人体内的细菌呢？

2. The smallest living things that can be seen under a microscope are bacteria.
    在显微镜下可以见到的最小的有生命的东西是细菌。

3. The life forms most likely to develop on a planet would be bacteria.
    行星上最容易生存下来的是细菌。

4. Meanwhile, another powerful killer of bacteria and viruses was discovered, again by accident.
    与此同时，人类又发现了一种杀灭细菌和病毒的有效药物，这次也纯属偶然。

5. On his desk were small plates containing the bacteria.
    在他桌上放着一些装有细菌的小盘子。

6. On the uncovered plate the bacteria on the outer ring were flourishing, but close to the mould there were none left.
    那只没有盖上盖儿的盘子的外围细菌很多，而靠近霉菌的地方却一点也没有。

7. Louis Pasteur was the discoverer of bacteria.
    路易·巴斯德发现了细菌。

8. It is bacteria that have generated the oxygen we breathe on earth.
    正是细菌生产出我们在地球上呼吸的氧气。

9. If we were able to discover lowly forms of life like bacteria on another planet, it would completely change our view of ourselves.
    如果我们能够在另一颗行星上找到诸如细菌的那种低等生命，那么这个发现将彻底改变我们对我们自己的看法。

10. In his basement laboratory in London, a bacteriologist, Dr. Alexander Fleming, was searching for a substance that would kill deadly bacteria.
    当时细菌学家亚历山大·佛来明博士正在地下试验室里研制一种能够杀灭致命细菌的物质。