VOA慢速英语:A Closer Look at the Iran Nuclear Deal

1. provide vt.提供，供给
例句：In other words, menus provide a pedagogic vector.
换句话说，菜单是一条学习的途径。

2. enrich vt.使富裕，使富有
例句：Good books can enrich man's inner life.
好书可以丰富人的精神生活。

3. promise vt.允诺，许诺
例句：I promise I'll bring the car back to you in one piece.
我保证把车完整无损地还给你。

4. increase vt.增加，增大
例句：He had the audacity to ask for an increase in salary.
他竟然厚着脸皮要求增加薪水。

5. opponent n.对手; 敌手
例句：He easily defeated his opponent in the election.
选举中他轻易地击败了对手。