释义 |
Sand and gravel短语⁷⁸⁸⁵² 基本例句 砂卵石层 The workers mixed the asphalt withsand and graveltogether.工人们把沥青和沙子、石块混合在一起。 The prospector panned out bits ofsand and gravelscooped from the bed of a stream.探矿者淘选从河床里挖出的少量含金泥沙和砂砾。 An area covered bysand and graveldeposited at the front of a glacial moraine.冰川前砂砾层冰河冰渍前沉积的沙及砾石覆盖的区域 Concrete is composed of cement,sand and gravelmixed with water.混凝土由水泥、砂、石子与水掺和而构成。 |