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Behind their cells was an unguarded corridor that led to a vent on the roof.
在他们的牢房后面有一个无人看守的走廊，走廊的尽头有一个通往房顶的通风口。
youdao
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The vent in the roof, when there is a wind, also lets in the rain.
屋顶的通风口只要风大一点的话就会有雨飘进来。
youdao
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The vent in the roof, when there is a wind, also lets in the rain.
屋顶的通风口只要风大一点的话就会有雨飘进来。
youdao