名词
中文翻译：未筛沙
同义词：
['unfiltered sand', 'untreated sand例句：1. The beach was littered with unscreened sand.（海滩上到处都是未筛的沙子。）2. The construction crew had to work in unscreened sand.（建筑工人不得不在未筛的沙子中工作。）']
例句：
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1. The beach was littered with unscreened sand.
海滩上到处都是未筛的沙子。
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2. The construction crew had to work in unscreened sand.
建筑工人不得不在未筛的沙子中工作。
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3.The engineer used unscreened sand to reinforce the foundation.
工程师使用未筛的沙子来加固地基。