名词
中文翻译：难治的沙
同义词：
['resistant sand', 'recalcitrant sand例句：1. The construction of the new road has made it difficult to access the area.（新路的建设使得该地区难以进入。）2. The engineers were tasked with fixing the refractory sand in the tunnel.（工程师们被指派修复隧道中的难治沙。）']
例句：
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1. The construction of the new road has made it difficult to access the area.
新路的建设使得该地区难以进入。
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2. The engineers were tasked with fixing the refractory sand in the tunnel.
工程师们被指派修复隧道中的难治沙。
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3. The construction crew had to deal with the refractory sand while excavating the foundation.
施工队伍在挖掘地基时不得不处理难治沙。