名词
中文翻译：隧道凹槽
同义词：
['tunnel recess', 'tunnel recess', 'tunnel recess']
例句：
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1. Thetunnel recess is filled with water and rocks.
隧道凹槽里充满了水和石头。
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2.The tunnel recess was used as a storage area for the supplies.
隧道凹槽被用作储存物资的地方。
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3. The tunnel recess was discovered during the construction of the new road.
在修建新路的过程中发现了隧道凹槽。