名词
中文翻译：返回的沙子
同义词：
['reclaimed sand', 'reprocessed sand例句：1. The beach was littered with returned sand from the storm.（暴风雨过后，海滩上到处都是被冲刷回来的沙子。）']
例句：
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1. The beach was littered with returned sand from the storm.
暴风雨过后，海滩上到处都是被冲刷回来的沙子。
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2.The engineer used returned sand to build a new wall.
工程师用被冲刷回来的沙子建造了一座新墙。
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3. The company has been using returned sand to improve their soil quality.
该公司一直在使用被冲刷回来的沙子来改善土壤质量。