BBC在线收听下载:阿根廷首都罢工导致交通瘫痪

短语讲解：

1.The United Nations says at least 27 children are now known to have been among the dozens of people killed during the suspected gas attack in Syria.

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。

2.Donald Trump is due to host his first talk with the Chinese leader Xi Jinping in Florida, an encounter which the US president has predicted will be very difficult.

due to 由于; 因为
例句：Unfortunately, due to unforeseen circumstances, this year's show has been cancelled
遗憾的是，由于一些意外情况，今年的演出被取消了。

3.The start of a 24-hour general strike in the Argentine capital, Buenos Aires, has shut down public transport, as demonstrators blocked city streets.

shoot down 击落; 朝下射击; 击破…的论点
例句：They claimed to have shot down one incoming missile
他们声称击落了一枚来犯的导弹。

4.The world No.1 golf player, Dustin Johnson, has pulled out of the U.S. Masters after sustaining an injury in a fall at his home.

pull out of 退出，取消
例句：Sterling has been hit by the economy's failure to pull out of recession
经济未能走出衰退，英镑因此受到了打击。