VOA慢速英语:US Presidential Candidates Prepare to Take Office

1. ensure vt.确保; 担保获得[避免]
例句：I can't ensure that he will be there in time.
我不能保证他会及时到那里。

2. strengthen vt.加强，巩固; 勉励
例句：You cannot strengthen the weak by weakening the strong.
削弱强者不能使弱者变得强壮。

3. require vt.需要; 要求; 想要
例句：If you require further information, you should consult the registrar
如果需要进一步了解信息，请咨询教务主任。

4. choose vt. 挑选; 认为…比其它更可取
例句：They will be able to choose their own leaders in democratic elections
他们将能够通过民主选举选择自己的领导人。

5. improve vt.提高（土地、地产）的价值; 利用（机会）; 改善
例句：Both the texture and condition of your hair should improve
你头发的发质与健康状况都应改善。

6. organize vt. 组织; 安排; 规划
例句：In the end, we all decided to organize a concert for Easter.
最终，我们一致决定组织一场复活节音乐会。