前经是一个汉语词语，拼音是qián jīng，意思是以前的经典。
残余糖分：装瓶前经发酵后留在葡萄酒中的糖分。
Residual sugar: sugar remaining in a wine after fermentation and once it is ready for bottling.
奥迪的旗舰车型A8在一年前经重新设计后，销量已增长8倍。
Sales of Audi's flagship, the A8, have jumped eightfold since being redesigned a year ago.
抗氧化剂补充品需被视为药物治疗产品并应于行销前经充分评估。
Antioxidant supplements need to be considered as medicinal products and should undergo sufficient evaluation before marketing.
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