underground passageway

• 地下通道

underground passageway的用法和样例：

例句

1. We've built many underground passages in the city.
   我们在城市里建造了许多地下通道。
2. Ill-frequented by caravans of other nations due to the hard and dangerous route, the town is actually at a nexus of Dwarven underground thoroughfares.
   由于道路险阻，他国的篷车不常通行，而本镇恰恰处在矮人的地下通道中心。