汉英词典
Chinese-English Dictionary
MEANING OF 還原 hsk 6
還原 (还原)
to restore to the original state / to reconstruct (an event) / reduction (chemistry)
〈动〉❶事物恢复原状。❷指含氧物质被夺去氧。也泛指物质在化学反应中得到电子或电子对偏近。如氧化铜和氢气加热后生成铜和水。还原和氧化是伴同发生的。
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