慢速英语:Uneven Signs of Growth in the Transport Industry

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1. remain vt. 剩下,余留
例句：A few pears remain on the trees.
树上尚留有几颗梨子。

2. recovery n. 重获;复得
例句：An anonymous call led to the recovery of the stolen jewels.
一个匿名电话导致被盗珠宝失而复得。

3. downturn n. 向下弯曲;降低
例句：An extremely swift, acute downturn, as in market activity.
下跌极度迅速而激烈的下跌，如市场活动  
 
4. travel n. 旅游
例句：Who issued the travel documents? 
谁核发这些旅游证件的?  
 
5. demand n. 需求
例句：Prices see-saw according to demand. 
物价随需求变化而反覆涨跌. 

6. expand vt. 扩充
例句：I want to expand the medical program and the recreation program. 
我要扩充医药工作和康乐活动。