原作 yuánzuò original work Definitions Defs Origin Strokes Stroke Words Sentences Sents 原作版 yuánzuòbǎn original edition original version of a work; urtext edition还原作用 huányuánzuòyòng reduction (chemistry) The chemical process where a substance loses oxygen or an atom gains electrons; the opposite of [[氧化作用|氧化作用|yang3 hua4 zuo4 yong4]].
