tunnel

The Channel Tunnel connects the United Kingdom and France, allowing high-speed trains to travel beneath the sea.

(Chinese) 英吉利海峡隧道连接英国和法国，允许高速列车在海底穿行。

Engineers used a massive boring machine to dig the new subway tunnel through the city's granite bedrock.

(Chinese) 工程师们使用大型钻掘机在城市的花岗岩基岩中挖掘新的地铁隧道。

Prisoners spent months using small hand tools to tunnel under the thick concrete walls to escape.

(Chinese) 囚犯们花了几个月的时间，用小型手工工具在厚厚的混凝土墙下挖掘隧道以逃跑。

Mole rats are adapted to tunnel through hard soil, creating a complex network of underground burrows.

(Chinese) 鼹鼠适应了在坚硬的土壤中挖掘隧道，创造了一个复杂的地下巢穴网络。