我在屋子后面把他们排列在沙盒里，然后杀死他们。
I arranged them in the sandbox behind our house, and I killed them.
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。
They used a high dose of antibiotic to kill the native gut bacteria and then fed those mice fecal material from a protected strain.
当他们抓到杀死一个大型哺乳动物的时候，他们就会拼命的吃，然后在消化食物的时候休息。
When wolves catch and kill a large mammal, they will gorge and then rest while the food is being rapidly digested.
应用推荐