双酚a，也称BPA，用来生产防碎塑料，工业上又叫作聚碳酸酯。BPA无处不在，从矿泉水瓶、医疗器械到及食品包装的内里，都有它的身影。
Bisphenol A. Also called BPA, it's used to make shatter-proof plastic known as polycarbonate, found in everything from water bottles to medical devices to the lining of food packaging.
尽管我们已经知道双酚A是一种弱雌性激素，人们还是认为应用于塑料聚碳酸酯中足够安全。
“In spite of the fact we have known that Bisphenol A was a weak oestrogen, it was considered safe enough to use in polycarbonate in plastic, ” Skakkabaek says.
但还有一些水瓶是用聚碳酸酯做的。这些聚碳酸酯含有能够导致生殖系统疾病和心脏病的双酚a (BPA)。
Many reusable bottles are made of polycarbonate plastic, but those often contain bisphenol a (BPA), a chemical linked to reproductive problems and heart disease.
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