It is not a time machine. It's a portable bone-density scanner. A medical device I sell for a living.

并不是时光机器，而是手提骨质密度扫描机，我赖以维生的医疗器材。

youdao

It is not a time machine. It's a portable bone-density scanner. A medical device I sell for a living.

并不是时光机器，而是手提骨质密度扫描机，我赖以维生的医疗器材。

youdao