BBC在线收听下载:巴西国家工会组织游行 要求更好工作条件

1. Mr Obama was speaking shortly after his Secretary of State John Kerry made the strongest case so far for limited military action against the Syrian government.

so far 到目前为止
例句：Three have been released so far.
迄今三人已被释放。

2. He called it a crime against humanity and explained why it mattered to the United States to take action.

take action 采取行动，行动起来
例句：Take action to demonstrate that you've heard.
采取行动去证明你所听到的。

3. At least 12 people are reported to have been killed and ten injured in a bomb attack in northern Iraq.

at least 至少
例句：Read at least 30 books.
至少读30本书。

4. On Thursday, tens of thousands of people took part in protests in Bogota in support of farmers who say the government’s agricultural policies are driving them to bankruptcy.

take part in 参加…
例句：Nearly one in four children do not take part in any organised sport, new research shows.
最新研究结果表明，近1/4的孩子不参加任何体育活动。