研究者们对将塑料添加进食品的化合物已经关注了有一段时间了。

Researchers have been concerned for some time about chemical compounds that make up plastic materials getting into the food supply.

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实验结果表明，焦油和焦炭的产率随着废塑料添加比例的增加而增大，粗苯和氨等产率变化不明显。

The experimental results show that the yields of tar and coke are increased with the increment of adding proportion on plastics, there is no remarkable variation on crude benzol and ammonia yields.

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更多工作需要去做，以研究其他环境污染——例如塑料添加剂双酚 A——可能同样也同样影响了美国激增的糖尿病发病率问题。

Much more work will need to be done to untangle how other environmental pollutants -- like the plastic additive bisphenol A -- may also contribute to America's ballooning diabetes problem.

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