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。

youdao

True, the Fed expects inflation this year to run a bit above target, but Mr. Bernanke declared (and I agree) that we're looking at a temporary bulge from higher raw material prices;

没错，美联储估计今年的通胀率会稍微超过目标一点，但是伯南克先生宣布（我也认可），我们现在看到的是原材料价格升高引起的临时升高；

youdao

The material to be crushed is fed into machine from the feed opening of top, and fall down onto the central section of rotor rotating with high speed.

待破碎物料从顶部的物料投入口投入，落到高速旋转的转子中心部位。

youdao