After a few more climbs, once to the top of the domed reservoir, my fear seemed to evaporate in the warm midnight air—I had simply been out of practice.

爬过几次后，只要爬到半球形蓄水池顶，我的恐惧似乎就在午夜温暖的空气中蒸发了——原来，只是我久不练习而已。

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Leave a gap at the top and bottom so air can circulate.

在顶部和底部各留一点空隙，这样空气就可以流通了。

《柯林斯英汉双解大词典》

Arriving on top, he threw down his load, breathing in the pure, fresh air.

到了顶上，他放下担子，呼吸着纯净的清新空气。

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