boulder

巨石、大圆石、漂石

A huge boulder rolled down the slope and blocked the road.

一块巨石从坡上滚下来，挡住了道路。

抱石攀登、攀爬巨石攀岩用语

We spent the weekend bouldering at a gym downtown.

我们周末都在市区的岩馆做抱石攀登。