薄薄的一层表土被冲走了。A thin layer of topsoil was swept away.那单薄的土地很快就失去了表土,成为沙粒和尘埃.The fragile land quickly lost its topsoil and became nothing but sand and dust.从工地挖出的表土须用于筑堤的石笼上.Topsoil excavated from the work site shall be app...
The underground pipeline colligate alure in city Utility tunnel.城市地下管线综合管廊俗称共同沟.Now we introduce briefly correlated study future, pointing out the colligate therapy trend of SVCS.现简要介绍近期国内外相关研究治疗, 指出本病综合化治疗的趋势.To judge i...
The most active was " Hua Er " the cat, brought back by the driver from Livingstone.此时,最为活跃的还是 “ 花儿 ” ——司机从利文斯顿带来的一只野猫.the sinuous grace of a cat猫的灵活优美The hen gave a squawk when It'saw the cat.母鸡见到猫时咯咯叫了起来.Her tail ...