英语语法分析

ATP stands for adenosine triphosphate.

at p代表三磷酸腺苷。

They are caused by the depletion of ATP (adenosine triphosphate).

这是由于ATP（三磷酸盐腺）耗尽造成的。

The mitochondria are structures in cells that make adenosine triphosphate, or ATP, which helps power cells.

线粒体是细胞内生产三磷酸腺苷即atp的结构，能够给细胞活动提供能量。