本期内容：

Researchers in the US have been investigating the final journeys taken by disposable contact lenses. They found 15-20% of US users simply flick these fiddly lenses down the drain via the bathroom sink or toilet. The study suggests that much of the plastic material then ends up in waste water treatment plants. The lenses are consequently spread on farmland as sewage sludge, increasing plastic pollution in the environment.

investigate: vt. 调查；研究
disposable: adj. 一次性的；用完即可丢弃的
contact lens: 隐形眼镜
flick: vt. 轻轻一弹
fiddly: adj. 需要手巧的；高精度的；琐碎的
fiddle: n. 小提琴
via: prep. 经由；通过
plant: n. 工厂
farmland: n. 农田
sewage sludge: 污水淤泥

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