A badger jumped out of a small tunnel.
一只獾从一个小地洞里跳了出来。
一节隧道的小模型。
Small size tunnel driving is a construction technology of underground piping without excavation.
小型隧道掘进是一种无需开挖的地下管道施工技术。
This small rodent can scoop out a long, narrow tunnel in a very short time.
这种小啮齿动物能在很短的时间里挖出一条又长又窄的地道来。
This small rodent can scoop out a long, narrow tunnel in a very short time.
这种小啮齿动物能在很短的时间里挖出一条又长又窄的地道来。
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