The acetylsalicylic acid in aspirin shares the pain relief properties of the chemical salicin in willow bark.

阿司匹林中的乙酰水杨酸和柳树树干中的化学水杨素一样具有镇痛的作用。

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Stone's paper describes his discovery by testing on himself and 50 members of his parish that ground willow bark powder relieves fevers and rheumatic pain.

斯通的论文记录了他的发现，他对自己和教区的五十位成员使用柳树皮研成的粉末，缓解了发热和风湿痛的症状。

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Throughout history, there have been mentions of the pain-killing uses of willow bark.

历史上一直有人提到柳树皮的止痛用途。

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Two thousand years ago, the Greek doctor Hippocrates advised his patients to chew on the bark and leaves of the willow.

VOA: special.2010.12.14

The Greek doctor Hippocrates advised his patients to chew on the bark and leaves of the willow.

VOA: special.2009.10.20

Take two infusions of willow bark and call me in the morning.

WSJ: Big Pharma's Real Roots | Wild Medicine | New York Botanical Garden | By Joanne Kaufman

The willow bark contained salicin, the pharmacological ancestor of a family of drugs called salicylates, of which aspirin is the most famous.

BBC: Aspirin: A century of good news

Aspirin, for example, was originally derived from willow bark, and the anticancer drug Taxol comes from the bark of the Pacific yew tree.

FORBES: Ancient Secrets