The bus stop is just across the street, but we have to go there through the underground passage.

公共汽车站就在街对面，但是我们必须通过地下通道去那。

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Please take the underground passage over there.

请走那边的地下通道。

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Straighten out the sword found in the underground passage.

把地下通道里找到的剑弄直。

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Visitors shuffle through a secret underground passage leading from the wardrobe of a Sea Tiger leader to his garden.

ECONOMIST: A rebel stronghold becomes an unlikely tourist trap

An employee at one of the churches told AFP news agency that people inside the church had fought back with sticks, but that the attacker had tried to escape through an underground passage.

BBC: NEWS | Middle East | Knife attacks on Egypt churches

Scooping the sand with their bare hands and Frisbees, they created an underground passage about 10 feet wide and 7 feet deep.

CNN: Waiting for our son to wake up