VOA慢速英语:African Economies Expected to Continue Growing Strongly

1. recession n.经济衰退，不景气
例句：An economic recession now seems more than likely． 
现在看来，经济衰退的可能性相当大。 

2. increase vt. 增加，增大
例句：He had the audacity to ask for an increase in salary. 
他竟然厚着脸皮要求增加薪水。 

3. observation n.观察; 观察力
例句：Another effective strategy is close observation.
仔细的观察也是另一个好办法。

4. include vt.包括; 包含
例句：Safety features include a switch. 
安全设施包括一个开关。 

5. expansion n.扩大; 扩张
例句：Continued expansion of this production is expected. 
生产的不断扩大是预料中的事。 

6. estimate vt.估计，估算
例句：You estimate his intellect too highly. 
你把他的智力评估得太高。