汽车是细菌繁殖的最佳场所，尤其是当你在车里吃东西而把垃圾或没吃的食物留在里面的时候。
A car is the perfect place for germs to breed, especially if you eat in it and leave litter or uneaten food around.
同时细菌也没闲着，产生信号阻碍真菌的繁殖，阻止其从单细胞的形式转化成分枝的多细胞真菌。
The bacterium, meanwhile, produces signals that keep the yeast's growth in check, preventing it from transforming itself from a single-celled yeast into a branching, multicellular fungus.
由于没有氧气可使陆地分解，因此含硫矿物便封存在岩石中，饥饿的细菌也就没东西可吃了。
Without oxygen to help wear down the continents, sulfur minerals stay locked in the rocks and unavailable to hungry bacteria.
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