名词
中文翻译：未被砍伐的隧道
同义词：
['uncut tunnel', 'untouched tunnel']
例句：
-
1.The explorers found an untimbered tunnel leading to the heart of the mountain.
探险者们发现了一条通往山顶中心的未被砍伐的隧道。
-
2. The tunnel was so narrow that only one person could pass through at a time.
这个隧道非常狭窄，只能一个人一次通过。
-
3. The tunnel was used as a shelter during the harsh winter months.
在严寒的冬季，这个隧道被用作避难所。