Chlorine is added to kill bacteria.
加入氯以杀菌。
The bacteria are harmless to humans.
这些细菌对人无害。
Warm milk is the ideal breeding ground for bacteria.
温牛奶是细菌理想的繁殖地。
Some drugs kill off useful bacteria in the user's body.
某些药物会杀死服用者体内的有益细菌。
It is possible to multiply these bacteria in the laboratory.
在实验室里繁殖这些细菌是可能的。
Tests showed it was contaminated by listeria and other bacteria.
检测表明它感染有李斯特菌和其他细菌。
It is an effective treatment for the bacteria and does kill it off.
这是一种有效的灭菌方法，确实把细菌都杀光了。
Once in the bloodstream, the bacteria adhere to the surface of the red cells.
细菌一进入血液里，就附着在红细胞表面上。
Parts of the shop were very dirty, unhygienic, and an ideal breeding ground for bacteria.
商店的一些地方非常不卫生，是细菌滋生的理想之地。
细菌留在了人体内。
Some of these bacteria are actually good for you.
实际上，这些细菌有的对你有益。
The pockets trap more bacteria and food particles.
这些囊状物会储存更多的细菌和食物颗粒。
How many bacteria actually transfer in five seconds?
到底在五秒之内转移了多少细菌呢？
Office carpets collected more bacteria than elsewhere.
办公室地毯上积聚的细菌多于其他地方。
Energy metabolism of bacteria is based on chemotrophy.
细菌的能量代谢是以化学营养为基础的。
A large number of bacteria collected on a single shoe.
一只鞋上就聚集了大量细菌。
There were more bacteria on sidewalks than in the home.
人行道上的细菌比家里的要多。
But how many bacteria actually transfer in five seconds?
但是有多少细菌能在五秒钟内转移呢？
The bacteria in plaque make poisons that attack the gums.
牙菌斑中的细菌会产生损伤牙龈的毒素。
Bacteria feed on this oil and release hydrogen sulfide gas.
细菌以这种油为食，并释放硫化氢气体。
Different types of bacteria existed on public-toilet floors.
公共厕所的地板上有不同类型的细菌。
And bacteria, primitive forms of life, have been seen there.
细菌——一种原始的生命形式——在那里被发现。
Was there a sudden change in the viruses and bacteria around?
周围的病毒和细菌是否突然发生了变化？
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