VOA慢速英语:Using Head in Soccer May Be Dangerous for Children

短语讲解：

1. Also, kids are getting bigger, faster, stronger across the sports, and so more injuries may be occurring simply because of that, and more kids are playing sports, and they’re playing more frequently.

because of 因为，由于
例句：He is feeling wretched today because of the rain.
因为下雨，他今天情绪很不好。

2. How are young athletes in your country protected from head injuries?

protect from 保护， 保卫
例句：Wild wood should be well protect from excessive hag.
野生森林应该被保护以免过量砍伐。

3. We want to hear from you.

hear from 收到…的来信; 从…听到
例句：I hope to hear from you before long.
我希望不久就能收到你的信。