tunnel

名词 tunnel:

1. a passageway through or under something, usually underground (especially one for trains or cars)
2. a hole in the ground made by an animal for shelter
   同义词：burrow

动词 tunnel:

1. move through by or as by digging
   同义词：burrow
2. force a way through

1. The heavy traffic crawled through the narrow tunnel.
   拥挤的车辆慢吞吞地穿过狭窄的隧道。
2. The kid dug a tunnel in the sand.
   小孩们在沙堆里挖了一个地道。
3. Suddenly the train roared into a tunnel and everything was black.
   突然火车轰隆隆地驶入一个隧道，四周的一切都漆黑一团。
4. Moles make underground tunnels.
   鼹鼠常打地洞。