短語(yǔ)詞組短語(yǔ)marine sand borrow pit 采海沙坑sand storage pit 儲(chǔ)沙坑Sand -pit's form 沙坑形狀rectangular sand -pit 矩形河道desilting sand pit 隔沙池;隔沙井deposited sand pit 沉積沙地clay and sand pit 泥沙礦坑sand pit ball 沙坑球 返回 sand pit