心肺复苏术可以增强人体心脏和肺部的自然功能。

C-P-R is designed to increase the natural ability of a person's heart and lungs.

youdao

心肺复苏术可以增强人体心脏和肺部的自然功能。

C-P-R is designed to increase the natural ability of a person's heart and lungs.

youdao