BBC在线收听下载:Facebook创始人扎克伯格掷30亿美元 欲消灭全球疾病

短语讲解：

1. The U.S. Secretary of State, John Kerry, has told the U.N. Security Council that all aircraft in northern Syria should be grounded in order to allow humanitarian aid to get through.

in order to 为了…
例句：In order to reach this limit a number of technical problems will have to be solved.
要达到这个限度，还有很多技术问题必须解决。

2. He said Monday's attack on an aid convoy raised profound doubt about whether Russia and the Syrian government would live up to the ceasefire deal.

live up to 不辜负;履行;达到高标准
例句：I hope I can live up to what you expect of me.
我希望我不会辜负你对我的期望。

3. A boat carrying an estimated 600 illegal migrants has capsized off the coast of Egypt, killing at least 42 people.

at least 至少
例句：He's been away for at least a week.
他走了总有一个星期吧。