BBC在线收听下载:英查尔斯王子致政要信函被公布

短语讲解：

1. A government official in Tanzania has told the BBC that President of Burundi Pierre Nkurunziza has not been able to return to his country and appears to have been ousted by the military.

be able to 能够
例句：Mould you be able to describe a typical day on the job?
您能描述一下这个职位的日常工作内容吗？

2. We are watching the situation in Burundi up to now very closely. And we’re very concerned about the reports that we’re getting.

concern about 关心，挂念
例句：She showed great concern about you.
她很为你担心。

3. We made it very clear that we’re prepared to take targeted measures including imposing visa bans to those who are involved in the violence.

involve in 使参与[陷入，牵扯到]
例句：They expostulate with him about the risk involve in his plan.
他们指出他的计划有风险，劝他放弃。

4. At least seven people died. Robert Sumwalt is from the NTSB.

at least 至少
例句：At least, I sincerely hope so.
至少我是真诚地这样希望的。

5. In the United States, the jury in the trial of the Boston Marathon bomber Dzhokhar Tsarnaev has begun deliberating whether he should be sentenced to life in prison or be given the death penalty.
 
be sentenced to 被判处……
例句：It's unfair for me to be sentenced to spending my lifetime in poverty.
我一辈子要受穷这实在不公平。

6. But there’s no other supporting evidence so far.

so far 到目前为止
例句：Now, I have so far merely made assertions.
直到现在为止，我只是在作论述。

7. Al-Afari had been a contender for leadership of the group in 2010 and he’s believed to have stepped up to that role in recent weeks, with rumors that Abu Bakr Al-Baghdadi, the self-declared Caliph has been greatly wounded.

step up 加紧
例句：We must step up our vigilance.
我们一定要提高警惕。