名词

1.地下通道；地道；隧道

2.（动物的）洞穴通道

v.

开凿隧道；挖地道

词形变化

名称tunneler，tunneller

时态tunneled，tunnelled，tunneling，tunnelling

英语解释

a hole in the ground made by an animal for shelter

force a way through

move through by or as by digging

a passageway through or under something, usually underground (especially one for trains or cars)