tunnel

过去式：

动词过去式: tunneled/tunnelled

更多词形：

名词: tunneler | 动词过去式: tunneled/tunnelled | 动词过去分词: tunneled/tunnelled | 动词现在分词: tunneling/tunnelling | 动词第三人称单数: tunnels/tunnels |

单词例句：

The river froze over. Engineers sealed the tunnel entrance over.

这条河全结冰了。工程师把这隧道的入口密封住了

They propped the old tunnel up with new timbers.

他们用新的木梁支撑旧坑道。

The tunnel is a great engineering achievement.

那条隧道是工程技术上的一项伟大成就。

You have to go through the platform tunnel.

你们得过地道。

Then he made his way to the tunnel mouth.

于是他走到隧道入口。

The rock was caverned out to make a tunnel.

挖出岩石造隧道。

The engineers sank a tunnel into the ground.

工程师们在地下挖了个隧道。

A tunnel was to be blasted through the mountains.

一条隧道要被炸开，穿山而过。

The express train went through the tunnel.

特快列车穿过隧道。