n.副产品，意外结果，副作用

原形：by-product复数：by-products

The chemical reaction produced a by-product of oxygen gas.
这个化学反应产生了氧气作为副产品。
The smelting process yields iron as the main product, with slag as a by-product.
炼铁过程中铁是主要产品，而炉渣是副产品。
The distillation of ethanol results in a by-product called glycerin.
酒精蒸馏会产生副产品甘油。
In the production of paper, wood pulp is the primary by-product.
制纸过程中，木浆通常是主要的副产品。
By recycling plastic waste, we can generate valuable by-products like fuel or fiber.
通过回收塑料废物，我们可以产生有价值的副产品，如燃料或纤维。
The refining of crude oil often produces gasoline and diesel as its primary products, with tar and lubricants as by-products.
石油精炼通常以汽油和柴油为主要产品，副产品包括沥青和润滑油。
The baking process sometimes yields a small amount of by-product, such as bread crumbs.
烘焙过程中有时会产生少量的副产品，如面包屑。
The biodiesel production has a by-product of glycerol, which can be used in other industries.
生物柴油生产会产生甘油作为副产品，可以用于其他行业。
The fermentation of beer creates carbon dioxide as a by-product, which is captured and used in the brewing process.
啤酒发酵会产生二氧化碳作为副产品，这些气体会被捕获并用于酿酒过程。
In the refining of coffee beans, the by-product is often used to make animal feed or compost.
咖啡豆提炼过程中，副产品常常被用来制作动物饲料或堆肥。