The underlying mechanism causing vasospasms isn't well understood, but likely involves vasoconstrictors like platelet thromboxane A2.

痉挛的机制不清，但可能与缩血管分子TXA2有关。

But the aspirin also inhibits the protein thromboxane.

但阿司抑制血栓素这种蛋白质。

So, if you take aspirin, which stops thromboxane, that prevents blockages from forming in your blood vessels and keeps your blood flowing free.

所以，如果你服用了阿司，阻止血栓素的生成， 从而防止血凝块在血管中形成， 并保持血液畅通无阻。

In fact, the 1982 Nobel Prize winners also demonstrated that aspirin slows production of thromboxanes, chemicals that cause clumping of platelets, which in turn form blood clots.

事实上， 1982年诺贝尔奖得主的研究表明， 阿司能减缓血栓烷的生成，这种化学物质导致血小板聚集，进而形成血栓。