They used a high dose of antibiotic to kill the native gut bacteria and then fed those mice fecal material from a protected strain.

他们用高剂量的抗生素来杀死易得病小鼠肠道里原生的细菌，然后从其他受保护的小鼠身上获取得的排泄物来喂那些小鼠。

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That would allow the herbicide to be sprayed on a pond to kill invading wild algae while leaving the fuel-producing strain unhurt.

这样就可以在培养池里施用除草剂，杀死入侵的野生藻，使培养的生产燃料的品种不受伤害。

youdao

That would allow the herbicide to be sprayed on a pond to kill invading wild algae while leaving the fuel-producing strain unhurt.

这样就可以在培养池里施用除草剂，杀死入侵的野生藻，使培养的生产燃料的品种不受伤害。

youdao