BBC在线收听下载:奥巴马声称掌握叙利亚使用化学武器的证据

短语讲解：

1. It is important for us to make sure that we're able to get more specific information about what exactly is happening there.

make sure 把事情弄清楚
例句：How do you make sure this is clear?
你怎么能确定这足够明确呢？
be able to 会；能够
例句：We hope you'll be able to attend.
我们希望你能够前来参加。

2. But we know that tens of thousands of people are being killed with artillery and mortars, and the slaughter that's taking place, by itself, is sufficient to prompt strong international actions.

take place 发生
例句：Where were you? Where did it take place?
你当时在哪儿?在哪儿发生的?

3. At least eight people were killed by a suicide bomber at a Shia mosque in Kirkuk.

at least 至少
例句：Can we at least try?
我们至少试试看吧？

4. The one thing I am content about is that I think we have gone about this from the administrative standpoint and the federal district court has done exactly what we supposed to be doing.

suppose to 认为是…
例句：You are probably muttering less is suppose to say more.
你大概是想多说少嘀咕.