名词
中文翻译：隧道
同义词：
['tunnel', 'tunneling', "tunnel construction例句：1. The engineer was responsible for designing the tunnel's layout.（工程师负责设计隧道的布局。）"]
例句：
-
1. The engineer was responsible for designing the tunnel's layout.
工程师负责设计隧道的布局。
-
2. The tunnel is a crucial part of the road network.
隧道是道路网络的重要组成部分。
-
3. The tunnel was completed ahead of schedule, which saved time and money.
隧道提前完成，节省了时间和金钱。