Population growth in Africa has long been a source of concern, as food and fresh water supplies are strained, but Kent argues that Africa's plentiful young may actually be viewed as its strength.

长久以来，随着紧张的食物和淡水供应，非洲的人口增长就是关注的源泉，但肯特坚决主张：实际上许多年轻人可以看做非洲的优点。

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Before you reuse liquid deep fryer grease, it should be strained to remove old crumbs and food particles.

在重复使用液态煎炸油之前，应过滤除去食物残渣。

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He had strained himself from a too long lack of sleep and food.

他有太长一段时间缺少睡眠和食物。

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The existing settlers were already experiencing disease and a shortage of food, and the demands they made on the Powhatans strained their relations.

CNN: Researchers: Jamestown settlers resorted to cannibalism