救人在圣路易斯的一所医学院预科大学，学生必须修一门很难的物理课。

Saving Lives At a pre-med university in St. Louis, we had to take a difficult class in physics.

youdao

救人在圣路易斯的一所医学院预科大学，学生必须修一门很难的物理课。

Saving Lives At a pre-med university in St. Louis, we had to take a difficult class in physics.

youdao