But it wasn't until the 1700s that a British reverend named Edward Stone made a crucial observation.

但是直到 18 世纪，一位名叫爱德华·斯通的英国牧师才提出了一个至关重要的观察。

In the mid-18th century, an Englishman named Edward Stone ran five years of experiments, showing that willow bark crushed into a powder and eaten could cure a fever.

18 世纪中叶，英国人爱德华·斯通 (Edward Stone) 进行了长达五年的实验，证明将柳树皮碾成粉末食用可以治疗发烧。