boulder
柯林斯词典
1. N-COUNT A boulder is a large rounded rock. 圆形巨石
It is thought that the train hit a boulder that had fallen down a cliff on to the track. 人们认为这列火车撞到了从悬崖滚到铁轨上的大圆石。
返回 boulder
boulder /ˈbəʊldə/ (boulders)
剑桥词典
- a very large rock
巨石 返回 boulder