经济学人下载:全球经济(1)

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1.exacerbate 加重，加剧

Export restrictions also exacerbate the rise of global food prices.

严格限制出口也加剧了全球粮价的上升。

2.account for 占，解释

She knew not what to think, nor how to account for it.

她不知道该想什么，也不知道怎样去解释。