正文

VOA慢速英语:Life Not So Sweet for Nigerian Sugar Farmers

2013-03-27来源:VOA

Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

词汇讲解：

1. productivity n.生产率，生产力
例句：There will be potentially enormous productivity gains.
生产力有可能得到极大的提高。

2. boost vt.促进，提高
例句：These changes will help to boost the share prices.
这些变化将有助于提高股票价格。

3. invest vt.投资；花费
例句：You want me to invest in your t-shirt business?
你们想让我投资你们的t恤生意?

4. refine vt.提炼；改善；使高雅
例句：We use forge to refine metals.
我们用煅炉炼金属。

5. profitable adj.有利可图的，有益的
例句：Real estate investments will be profitable.
房地产投资会有利可图。

6. rescue vt.营救，救援
例句：The whole country came to their rescue.
全国都来救援他们。