VOA慢速英语:Three Methods to Improve Your Presentations

1.worrisome adj.令人不安的
例句：His injury is worrisome.
他的伤情令人担忧。

2.confident adj.确信的，深信的; 有信心的
例句：I am confident that everything will come out right in time
我坚信一切终究都会好起来。

3.explain vt.讲解，解释
例句：Not every judge, however, has the ability to explain the law in simple terms
然而，不是每个法官都能用简单的语言来解释法律。

4. monitor vt. 监督; 监控，监听
例句：Officials had not been allowed to monitor the voting
以前不允许官员监督投票。

5. observe vt.观察; 研究
例句：Stern also studies and observes the behaviour of babies
斯特恩还研究观察婴儿的行为。

6. examine vt. 检查，调查; 考试
例句：He examined her passport and stamped it
他仔细检查了她的护照，然后在上面盖了章。