名词
中文翻译：单线隧道
同义词：
['singletrack tunnel', 'single-track tunnel例句：1. The engineer designed asingle-track tunnel to bypass themountain.（工程师设计了一个单线隧道来绕过山。）2. The construction of the single-track tunnel has been completed.（单线隧道的建设已经完成。）3. The single-track tunnel isan important transportation route for the city.（单线隧道是该市的一个重要交通路线。）']
例句：
-
1. The engineer designed asingle-track tunnel to bypass themountain.
工程师设计了一个单线隧道来绕过山。
-
2. The construction of the single-track tunnel has been completed.
单线隧道的建设已经完成。
-
3. The single-track tunnel isan important transportation route for the city.
单线隧道是该市的一个重要交通路线。