There are bacteria that help plants grow,others that get rid of dead animals and plants by making them decay,and some that live in soil and make it better for growing crops.
英
美
释义
有些细菌能帮助植物生长,另一些细菌则通过腐蚀来消除死去的动物和植物,还有一些细菌则生活在土壤里,使土壤变得对种植庄稼更有好处。
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