The idea is that every odor molecule that enters our nose has a specific shape that fits a specific receptor-like a key fits a lock-allowing us to detect, say, the acrid aroma of burnt coffee.

这个想法是，每一个进入我们的鼻子的气味分子都有一个特定的形状，相互吻合的特定受体——就像锁和钥匙一样——使我们能够感知，例如感知焦咖啡的刺鼻气味。

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The very hot surfaces of steam heating cause a parching effect on the air , often accompanied by a disagreeable odor of burnt dust .

蒸汽表面的高温在空气中产生了烘烤的效果，并常常伴随着燃烧的飘尘的令人讨厌的气味。

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In particular, the daily burnt offerings sacrificed by the priests twice each day, and emitting this pleasing odor: these were an effort to attract the deity.

尤其是每天两次的烧祭品,散发出美妙的气味：,这些都是为了吸引神灵的注意。

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