名词
中文翻译：隧道
同义词：
['passage', 'tunnel', 'thoroughfare']
例句：
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1. The engineer designed a new tunnel to connect the two cities.
工程师设计了一条新的隧道，连接了两个城市。
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2. The passage through the mountain was treacherous.
穿过山的通道很危险。
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3. The thoroughfare is always crowded with people during rush hours.
在高峰时段，这条通道总是挤满了人。