在这些地方，有机食品的概念似乎成为他们的护身符，似乎这个概念本身便能击败有关疾病的细菌理论，保证他们吃了没事。
In these quarters, one sensed that organic foods were a sort of talisman, sufficiently potent in their very presence to repeal the germ theory of disease.
从理论上讲，细菌可能是在火星的早期发展起来的，其中一些是由陨石带到地球的。
It is theoretically possible that bacteria developed on Mars early in its history and that some were carried to Earth by a meteorite.
在这一理论世界中，一个细菌能够“选择”死亡策略，它可以将所有老旧的细胞成分分配给一个没有前景的子细胞，并将所有希望寄托在另一个子细胞上，并将新细胞成分分配给它。
In this world, a bacterium can "choose" a mortal strategy, dumping all its old components into one daughter with limited prospects, and betting most of its future-and all of its new bits-on the other.
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