我们穿过了一连串低矮的拱道，向下，往前，再向下，最后进了一个幽深的墓穴，里边混浊的空气使我们的火把只冒火苗而不发光亮。
We passed through a range of low arches, descended, passed on, and descending again, arrived at a deep crypt, in which the foulness of the air caused our flambeaux rather to glow than flame.
正午的空气炎热而混浊，散发出火炉烤鱼的味道。
The midday air, hot and thick, smelled like baked fish from an oven.
这种方式产生的暖气流带着新鲜空气流入人的鼻子，带走了身上的汗味及其它混浊气体，最后，到达房间的顶部，并在那里从排气孔排出。
The warm air flow produced in this way feeds the nose with fresh air, picks up the sweat and others from the human body and arrives at the top from where it is taken away by the exhaust air outlet .
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