BBC在线收听下载:英国脱欧正式谈判即将开始

短语讲解：

1.The United States says one of its fighters has shot down a Syrian warplane after it dropped bombs in forces fighting Islamic State militants in Raqqa province.

shoot down 击落; 朝下射击
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。

2.U.S. Central Command said the Syrian aircraft was brought down in accordance with rules of engagement, allowing it to defend allied forces.

in accordance with 与…一致，依照; 禀承
例句：The scheme has been revised in accordance with the opinions of the masses.
方案已按照群众意见修改了。

3.At least 2 people were killed when suspected jihadists stormed the resort outside the capital Bamako.

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。

4. On the eve of the start of formal Brexit negotiations, the British Chancellor of the Exchequer has warned that failure to reach an agreement with the European Union would be a very very bad outcome for the U.K.

on the eve of 在…的前夕
例句：At Christmas the visitors began their circuit of dropping in on the eve of the feast day.
圣诞节时，客人们在节日前夜开始逐家拜节。