The microorganisms most common to food are bacteria and fungi .

食品中最普通的微生物是细菌和真菌。

Fungi like mushrooms and lichen make enzymes to eat rotting logs and decaying leaves .

像蘑菇之类的菌类以及苔藓会产生酶，以朽木和腐败的落叶为食。

Bacteria and fungi compete for food and often do so using chemical warfare .

细菌和真菌为了争夺食物连番大战，经常使用化学武器。

Fungi and bacteria both thrive in sugar-rich environments .

真菌和细菌更容易在糖富集的环境快速滋长。

Meanwhile , bacteria keep the fungi healthy by secreting antibiotics .

同时，细菌会通过分泌抗生素维持这些真菌菌落的健康生长。

But the fungi take about 2 weeks to kill the insects .

但，这些真菌需要大概两周的时间才能杀死蚊子。

Unlike fungi , we cannot retaliate by simply evolving new antibiotics .

与真菌不同，人来可进化不出新的抗生素作为回敬。

Those seeds release a chemical that suppresses harmful fungi for a while .

这些油菜籽可以释放一种化学成分可以对有害的真菌进行一段时间的抑制。

Other fungi release natural antibiotics into the soil , further protecting the tree .

还有一些真菌会在土壤中释放天然的抗生素，进一步保护树木。

Corneal ulcers are severe infections caused by bacteria , viruses , or fungi .

角膜溃疡是由细菌，病毒，或真菌造成的严重感染。