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你爱闻的雨后泥土味，其实是细菌布下的“陷阱”
source link: https://tech.sina.com.cn/d/v/2020-04-10/doc-iirczymi5450532.shtml
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撰文|石云雷一场大雨过后，我们常常能在空气中闻到一种清新自然的泥土味。不过，组成这种气味的分子并非来自泥土本身，而是两种由土壤中的微生物产生的挥发性化合物——土臭素和2-甲基异茨醇。最近，一项发表于《自然-微生物学》上的研究揭示，清新的泥土
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