VOA慢速英语:Does Physical Activity Lead to Higher Grades?

2. reduce vt.缩减, 减少; 降低
例句：We must try our best to reduce the likelihood of war.
我们必须尽最大努力减少战争的可能性。

3. review v. 回顾；检讨；反省
例句：Before falling asleep, Helen reviewed the day's happenings.
海伦在入睡以前回想了当天发生的事情。

4. conclude vt. 推断出,断定
例句：What can you conclude from these observations?
你从这些观察中能得出什么结论?

5. beneficial adj. 有益的, 有利的
例句：I hope your holiday will be beneficial to you.
我希望你的假期会对你有益。

6. mood n. 心情, 情绪
例句：You must change your mood.
你一定要改变你的情绪才行。

7. affect vt.影响；感动；假装
例句：The amount of rain affects the growth of crops.
雨量影响作物的生长。

8. comparison n.比较, 对照
例句：My garden doesn't stand comparison with his.
我的花园无法和他的相比。

9. observe vt. 看到; 注意到
例句：Didn't you observe the difference?
难道你没有看出差别?

10. outcome n.结果
例句：We are anxiously awaiting the outcome of their discussion.
我们急切地等待着他们讨论的结果。