慢速英语:Aspirin May Cut Cancer Deaths

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1. evidence n.证据; 迹象; 证词
例句：Evidence was piling up against them.
不利於他们的证据越来越多.

2. increase vt. 增加，增大，增多
例句：He exhorted his workers to increase production.
他力劝自己的工人增加生产。

3. explore vi. 勘查， 探测， 勘探
例句：We must explore all possible ways to increase food production.
我们必须探究增加食物生产的一切可能的途径。

4. explain vt.讲解，解释
例句：Such an operation is problematic to implement and explain.
这样的操作实现和解释起来都有问题。

5. gratify vt.使高兴; 使满意
例句：He did that to gratify his girlfriend's vanity.
他做那事是要满足他女友的虚荣心。