慢速英语:African Economies Expected to Continue Growing Strongly

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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。