BBC在线收听下载:俄罗斯暂停与美国核能研究合作

短语讲解：

1. The State Department said Moscow had not lived up to the terms of the  ceasefire agreement last month.

live up to 不辜负; 履行; 达到高标准
例句：I had to live up to my oath.
我必须履行我的宣誓。

2. It says they were picked up from dozens of overcrowded boats which had set  off from Libya.

pick up 捡起; 接载; 学会
例句：I'll go to pick up some odds and ends at the store.
我要到商店买些零碎的东西。
set off 出发; （使） 开始
例句：It's raining. Even so, we must set off.
天在下雨,尽管如此我们还是要出发。