boulder
noun /ˈbəʊldə(r)/
/ˈbəʊldər/
- enlarge imagea very large rock which has been shaped by water or the weather
（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
落下的岩石和巨石 - 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。
词源late Middle English: shortened from earlier boulderstone, of Scandinavian origin. - huge granite boulders underneath the cliff
