动词
中文翻译：挖洞
同义词：
['dig', 'excavate', 'tunnel']
例句：
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1. The miners were forced to dig a tunnel through the mountain.
矿工们被迫在山中挖了一条隧道。
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2. The treasure hunters were searching for an ancient artifact by digging in the cave.
寻宝者正在山洞里挖掘寻找古代文物。
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3. The construction workers were excavating a new road under the city.
建筑工人正在城市下挖掘一条新路。