I learn how to save lives and most such courses tell students how to avoid dangerous situations.

我学习如何拯救生命，大多数这类课程都告诉学生如何避免危险情况。

youdao

I learn how to save lives and most such courses tell students how to avoid dangerous situations.

我学习如何拯救生命，大多数这类课程都告诉学生如何避免危险情况。

youdao