慢速英语:Guide to 2016 Campaign: the Democrats

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1. appoint vt.任命，委派
例句：We must appoint a committee.
我们必须选派委员组成一个委员会。

2. announce vt.宣布; 述说
例句：Please announce to the children that there will be no school this afternoon.
请通知孩子们今天下午不上课。

3. challenge vt.质疑; 向…挑战
例句：I'll challenge him right now!
我马上问他！

4. appeal vi.要求（迫切）; 有吸引力; 求助（于）
例句：You might not appeal to her in vain.
您对她的呼吁不可能毫无作用。

5. involve vt.包含; 使参与
例句：It would involve all Rome in a fearful strife.
这将使整个罗马卷入一场可怕的战争。

6. criticize vt.批评; 挑剔; 分析
例句：Don't get me wrong, I wasn't trying to criticize you.
别误会，我并不是企图批评你。