名词
中文翻译：跨海隧道
同义词：
['undersea tunnel', 'underwater tunnel例句：1. The construction of the cross harbour tunnel has been a major project for years.（跨海隧道的建设多年来一直是一个重要的项目。）2. The cross harbour tunnel connects two cities and provides easy access to each other.（跨海隧道连接两个城市，为彼此提供了便捷的通道。）']
例句：
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1. The construction of the cross harbour tunnel has been a major project for years.
跨海隧道的建设多年来一直是一个重要的项目。
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2. The cross harbour tunnel connects two cities and provides easy access to each other.
跨海隧道连接两个城市，为彼此提供了便捷的通道。
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3.The cross harbour tunnel is a marvel of modern engineering.
跨海隧道是现代工程的奇迹。