BBC在线收听下载:联合国安理会通过制裁朝鲜新决议

1. upgrade vt.提升; 使（机器、计算机系统等）升级; 提高（设施、服务等的）档次
例句：When you feel stuck in a rut, it is time for you to upgrade your skills.
感觉自己停滞不前的时候就是应该技术更新的时候。

2. indicate vt. 表明，标示，指示
例句：Government statistics indicate that prices have gone down.
政府统计指出物价已经下降。

3. struggle vi.奋斗; 搏斗; 努力; 争取
例句：We should struggle for the cause of communism all our lives.
我们要为共产主义事业奋斗终身。

4. maintain vt.保持; 保养; 坚持
例句：He racked no rents to maintain the expenses of his establishment.
他不向租户索取过高的租金来维持建设的开支。

5. blame vt.归咎于; 指责，责怪
例句：I know Barras was to blame.
我知道巴勒斯是应该负责的。

6. assist vt.帮助; 援助; 帮助某人做某事
例句：Do you need anybody to assist you in your work?
你需要人帮助你工作吗？

7. negotiate vi.谈判，协商，交涉
例句：We've decided to negotiate with the employers about our wage claims.
我们已经决定和雇主谈判关于我们的工资要求。

8. extradition n.（根据条约或法令对逃犯等的） 引渡
例句：The conditions for extradition vary considerably from one country to another.
引渡条件在国与国之间相去甚远。