n.隧道；地道；洞穴

v.挖地道；挖隧道

The heavy traffic crawled through the narrow tunnel. 擁擠的車(chē)輛慢吞吞地穿過(guò)狹窄的隧道。

Suddenly the train roared into a tunnel and everything was black. 突然火車(chē)轟隆隆地駛?cè)胍粋€(gè)隧道，四周的一切都漆黑一團(tuán)。

The kid dug a tunnel in the sand. 小孩在沙堆里挖了一個(gè)地道。

Moles make underground tunnels. 鼴鼠常打地洞。

The engineers had to tunnel through solid rock. 工程師須要在堅(jiān)實(shí)的巖石中開(kāi)鑿隧道。

Sometimes the snow was so deep we could tunnel through it. 偶爾雪會(huì)積到可以造隧道那般的深度。