BBC在线收听下载:马来西亚称失联客机曾改变航线

短语讲解：

1. The aircraft disappeared less than an hour into its flight to Beijing, and an international search effort so far failed to find any wreckage.

so far 到目前为止; 迄今为止
例句：So far I have no regrets.
到目前为止，我并不后悔。

2. The police showed up, the crowd got angrier, and police intervened with pepper gas.

show up 显而易见; 到场
例句：So do not expect just to show up.
所以别指望只到场就可以了。

3. Many Latin American heads of state were at the ceremony, but there was one notable absentee, Nicholas Maduro, the President of Venezuela, he'd been due to attend, but cancelled at the last minute.

due to 由于; 因为
例句：This is due to regulatory and technological developments.
这是由于监管和技术的发展。

4. Several of the region's foreign ministers will take the opportunity to meet in Santiago to discuss Venezuela which had been racked by violence in recent weeks.

take the opportunity to 抓住机会
例句：May I take the opportunity to express my thanks? 
我可不可以利用这个机会来表达我的感谢？