And many of those fibers are denim, Athey's team reports.

Athey 的团队报告说，其中许多纤维都是牛仔布。

But chemically treated natural microfibers, such as denim, might be just as worrying, says Athey.

但 Athey 说， 经过化学处理的天然超细纤维， 如牛仔布，可能同样令人担忧。

Athey studies sources of microfibers as a graduate student in Canada at the University of Toronto in Ontario.

作为研究生， Athey 在加拿大安大略省多伦多大学研究超细纤维的来源。

Athey grew up thinking she had to wash her jeans after every couple of wearings.

Athey 从小就认为她必须在每穿几件牛仔裤后清洗一次。

But like Athey, she worries about the potential impact of the chemicals used to make indigo dye.

但和 Athey 一样， 她担心用于制造靛蓝染料的化学品的潜在影响。

Athey and her team worry about how far and wide these long-lived chemicals are spreading.

Athey 和她的团队担心这些长寿命化学物质的传播范围和范围。