by-product
美 
英 
- n.副产品;意外结果;副作用
 - 网络副产物;付产品;肉类副产品
 
复数:by-products  
by-product
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1.  | 副产品a substance that is produced during the process of making or destroying sth else  | 
When burnt, plastic produces dangerous by-products. 塑料燃烧时产生出危险的副产品。  | 
2.  | 意外结果;副作用a thing that happens, often unexpectedly, as the result of sth else  | 
One of the by-products of unemployment is an increase in crime. 失业带来的一大恶果是犯罪率上升。  |