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氮氧化物
dàn​yǎng​huà​wù

nitrogen oxide

Origin Definitions Defs Strokes Stroke Words Sentences Sents

Senses

氮氧化物 dàn​yǎng​huà​wù nitrogen oxide

noun

减少汽车排放的氮氧化物是改善空气质量的关键。

References

No references for this word.

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