boul·der
noun/ˈbəʊldə(r)/
/ˈbəʊldər/
- a very large rock which has been shaped by water or the weather
enlarge image（受水或天气侵蚀而成的）巨石；漂砾 - huge granite boulders underneath the cliff
悬崖下巨大的花岗岩巨石 - fallen rocks and boulders
掉落的岩石和巨石 - As the ice sheet rode over the land, huge boulders were ripped from the underlying rock.
冰盖划过地面时，从地表下面的岩石上撕下来一些巨石块。
Word Originlate Middle English: shortened from earlier boulderstone, of Scandinavian origin. - huge granite boulders underneath the cliff