冷血马，欧洲重挽马品种的统称，由史前的丛林马演变而来。

Coldblood: the name used to describe the heavy European breeds of horse descended from the prehistoric forest horse.

youdao

上山时，马用力拉拽着马车的挽绳。

The horse pulled on the traces when getting up the hill.

youdao

那匹在左首拉边套的马低垂着头，时而轻轻拉一下挽索。

The left trace-horse, arching his head, pulled in jerks at his traces.

youdao

那匹在左首拉边套的马低垂着头，时而轻轻拉一下挽索。

The left trace-horse, arching his head, pulled in jerks at his traces.

youdao