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1·When burnt, plastic produces dangerous by-products.

塑料燃烧时产生出危险的副产品。《牛津词典》

2·Occurrences of food shortages and droughts are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies.

粮食短缺和干旱的出现导致了一些地区的饥荒和灾难，而且工业和农业的副产品也污染了水源。

3·Yet occurrences of food shortages and droughts are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies.

然而，粮食短缺和干旱的出现导致了一些地区的饥荒和灾难，而且工业和农业副产品也污染了水源。

4·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。《牛津词典》

5·He sold by-products of crude oil.

他卖原油的副产品。

6·One of these petroleum by-products is isoprene.

这些石油副产品之一便是异戊二烯。

7·It makes use of the numerous by-products from each process.

每一次反应后产生的为数众多的副产品同样能得到充分地利用。

8·A vegetarian does not eat meat, poultry, fish or their by-products.

素食主义者不吃肉，禽，鱼或其副产品。

9·And the process of making biochar also creates beneficial by-products.

而且生产生物炭的过程也产生了有益的副产品。

10·The number of these receptor by-products declines regularly over time.

这些产生受体时的副产物随着时间的推移会有规律地逐渐减少。

副产品

1·When burnt, plastic produces dangerous by-products.

塑料燃烧时产生出危险的副产品。《牛津词典》

2·Occurrences of food shortages and droughts are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies.

粮食短缺和干旱的出现导致了一些地区的饥荒和灾难，而且工业和农业的副产品也污染了水源。

3·Yet occurrences of food shortages and droughts are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies.

然而，粮食短缺和干旱的出现导致了一些地区的饥荒和灾难，而且工业和农业副产品也污染了水源。

4·The management of poultry by-products focuses on soil, water and air quality issues.

家禽副产品的管理主要涉及土壤、水资源和空气质量问题。

5·Pepsi hopes to produce bottles in the future using orange and potato peels and other by-products from food.

百事希望将来能生产出用橙子、土豆皮和其它从粮食副产品制作的饮料瓶。

(1)animal by-products畜产制品，畜产品