VOA慢速英语:Are You Learning the Progressive Tenses?

1. confuse vt. 使困窘; 使混乱; 使困惑
例句：Great care is taken to avoid confusing the two types of projects
大家非常谨慎，以免把这两类项目弄混。

2. progressive adj. 进步的; 不断前进的; 进行的
例句：She is the most progressive writer of those times.
她是那个时代最进步的作家。

3. describe vt.叙述; 描写，形容
例句：We asked her to describe what kind of things she did in her spare time
我们请她描述一下她业余时间都在做什么。

4. temporary adj.短暂的; 临时的，暂时的
例句：His job here is only temporary
他在这儿的工作只是临时的。