VOA慢速英语:Growing Minds Need Greener Spaces

短语讲解：

1. It is not a secret that spending time outdoors is good for our health.

be good for 值得，有效; 利于
例句：Do it up. It'll be good for you.
把它喝完，它对你有益。

2. The more we learn about the benefits of being in nature, the more sense it makes to get outside.

learn about 得悉，了解
例句：Childrenseem to learn about computers by osmosis.
儿童似乎不知不觉地就了解了计算机。

3. The researchers found that the children with higher contact with green space had better ability to memorize.

contact with 与…有交往
例句：No, I have no contact with her.
没有。我和她没有一点儿联系。

4. The researchers used information from satellites to learn how much green space surrounded each school.

how much 多少，什么价钱
例句：I'm not sure how much the two things go together.
我不知道这两者有多少联系。