n.踏車(chē)；繁重的工作；跑步機(jī)

A dog formerly used in a treadmill to turn a roasting spit. 以前用在踏車(chē)上轉(zhuǎn)動(dòng)烤肉叉的狗

I can't get off the office treadmill. 我無(wú)法擺脫單調(diào)的坐班工作。

Theoretically there is no limit to the size of treadmill. 理論上跑步機(jī)的大小是沒(méi)有限制的。