BBC在线收听下载:奥巴马和卡斯特罗就人权问题展开争论

短语讲解：

1. And so that's the kind of the area where they're slightly locked at the moment.

at the moment 当时; 此刻，现在，目前
例句：He's unemployed at the moment and has been for over six months.
他目前失业, 已经有半年多了。

2. The medical authorities in Guinea say they have traced hundreds of people who may have come into contact with the Ebola virus after a fresh outbreak left 4 people dead in the southeast of the country.

come into contact with 接触到，和…接触，碰到
例句：I come into contact with Tom to the station at seven o'clock.
我七点钟到车站接汤姆。

3. The mission has been going about its work for more than a quarter of a century.

work for 受雇于; 为…而工作; 效劳
例句：Comrade Yang will be in charge of that work for the time being.
杨同志将暂时负责那项工作。

4. And even though the situation on the ground is not being one that's satisfactory to the Sahara people, as long as the mission has been there, there's been a lessening of tension.

as long as 只要; 如果; 既然; 由于
例句：As long as you succeed they are yours entirely.
只要你胜利了，他们就对你五体投地。