And so, you make not only water vapor, nox but you make some nitrous oxides, nox, or nox as it is known, and this is the precursor to smog.

这样不仅仅得到的水蒸气，但是你会得到一些氮氧化物，或者如大家所知到的nox，这是烟雾的前驱体。

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And so, you make not only water vapor, NOX but you make some nitrous oxides, NOX, or nox as it is known, and this is the precursor to smog.

这样不仅仅得到的水蒸气，但是你会得到一些氮氧化物，或者如大家所知到的nox，这是烟雾的前驱体。

麻省理工公开课 - 固态化学导论课程节选

They have shown that emissions of nitrous oxides (NOX) and sulphur oxides (SOX) combine with gases already in the atmosphere to create very fine particles that are especially dangerous to human health.

ECONOMIST: Planes and pollution