| 释义 |
〔heavy〕a heavy boulder;沉重的大圆石；〔boulder〕A large rounded mass of rock lying on the surface of the ground or embedded in the soil.巨砾，圆石：在地表上或埋在土壤中的大而圆的岩石块〔till〕Glacial drift composed of an unconsolidated, heterogeneous mixture of clay, sand, pebbles, cobbles, and boulders.冰碛，冰碛物：由粘土、沙子、石子、圆石及斫石等多种成分混合构成的不坚固的冰渍物 |