VOA慢速英语:Terror in Cameroon Targets School Children

短语讲解：

1. At the same time, millions of children returned to school after a three-month holiday.

at the same time 同时; 一起; 但是
例句：Can you watch television and do your homework at the same time?
你能同时看电视和做功课吗？

2. But we are also, more loudly, telling government that they have a moral duty to take care of those teachers there.

take care of 照顾;对付
例句：Good-bye. Take care of yourself.
多多保重，再见。

3. He says if the population works with officials, terrorists will find it more difficult to carry out attacks.

carry out 进行; 执行; 完成
例句：No matter what we do, we must carry out our duties.
无论干什么工作,我们都应履行自己的职责。

4. With all the heightened threats in town and wherever, we have to make sure that our children are safe.

make sure 把事情弄清楚，核实或查明某事物
例句：I must make sure of a seat for the play.
我得订上一个看戏的座位。