But activities that some schools offer now, like rock climbing walls and skateboarding, can also expand the risks, says Cheryl Richardson.

Cheryl Richardson表示，现在一些学校教的体育活动，像岩石作业和溜冰，也能增加运动的危险性。

youdao

But activities that some schools offer now, like rock climbing walls and skateboarding, can also expand the risks, says Cheryl Richardson.

Cheryl Richardson表示，现在一些学校教的体育活动，像岩石作业和溜冰，也能增加运动的危险性。

youdao