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BBC在线收听下载:美加墨三国领导人签署历史性协议

2016-07-01来源:BBC

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词汇讲解：

1. opportunity n.机会; 适当的时机良机; 有利的环境
例句：He is waiting for his opportunity.
他在等待机会。

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. 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。

4. challenge vt.质疑; 向…挑战
例句：Duroy was forced to challenge his disparager to duel.
杜洛瓦不得不向诋毁他的人提出决斗。

5. invite vt.邀请; 招致; 请求
例句：Whomever you invite will be welcome.
你邀请的任何人都将受欢迎。

6. motivate vt. 刺激; 使有动机，促动，激发
例句：The only way you can motivate people is to communicate with them.
调动别人积极性的唯一方法是与他们交流。