掘进的英文：
tunnelling

参考例句：

exploratory tunnel drilling method
勘探坑道掘进方法

The Mont Cenis was bored from two different headings, one in France and one in Italy.
塞尼山隧道是从两头的掌子面同时掘进的。一头在法国，一头在意大利，最后在中间汇合。

What made the tunnel well known was its designer Sir Marc Brunel who designed a tunneling shield.
这条隧道因为其设计师马克·布鲁内尔爵士而闻名于世，布鲁内尔设计出了掘进盾构。

tunnelling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.。