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从铁路或地铁轨道上,你能看到火花飞溅。这些火花是由推进火车的电所发出的。你在火车的气流后面,可以闻到一股刺鼻的臭味。在带闪电的暴雨之后,也会闻到同样的臭味,这股臭味来自一种气体,它叫臭氧。 “臭氧”是由其臭味而得名的。1785年,科学家们发现了臭氧的臭味;1840年,发现了它的气体性质;1872年以前,对
From the railroad or subway track, you can see the sparks splashing. These sparks are emitted by the electricity that propelled the train. You can smell a pungent smell behind the air of a train. The same stink will also be heard after a heavy rainstorm with lightning, a stink from a gas called ozone. “Ozone” is named after its odor. In 1785 scientists discovered the odor of ozone; its gas properties were discovered in 1840; before 1872,