铁路隧道的英文：
railway tunnel

参考例句：

railway tunnelling
铁路隧道工程

railway是什么意思：
n. 铁路；铁路系统；铁道部门

The two railways cross here.
两条铁路在此交叉。

The goods were consigned to you by railway.
货物已由铁路托运到你处。

The railway is adopted by us.
铁路保养由我们承担。

A new railway is under construction.
正在修建一条新铁路。

The road ran beside a railway.
公路建在铁路旁边。

tunnel是什么意思：
n. 地下通道；洞穴
v. 挖掘隧道；打开通道

The engineers sank a tunnel into the ground.
工程师们在地下挖了个隧道。

The exit of the tunnel is concealed.
地道的出口开在隐秘的地方。

A tunnel was to be blasted through the mountains.
一条隧道要被炸开，穿山而过。

They drove a tunnel through a hill.
他们通过小山挖一隧道。

The roof of the tunnel fell in.
隧道顶部塌了下来.。