tunnel
Definition
An underground or underwater passageway, typically for a road or railway.
한국어 지하 또는 물속에 있는 통로
Example
"The train entered a dark tunnel beneath the mountain."
An underground or underwater passageway, typically for a road or railway.
한국어 지하 또는 물속에 있는 통로
"The train entered a dark tunnel beneath the mountain."