其中一种一剂药的价格是50美元，另一种则接近2000美元。

One costs $50 a dose and the other close to $2,000.

youdao

路上，他设法让她吃了一剂药。

On the way, he persuaded her to take one dose of some kind of medicine.

youdao

这头母牛食欲不振时就给它一剂药吃。

Give the cow a dose when she falls off her food.

youdao

Now I believe that music works a magical potion, a magical spell on us.

我相信这首曲子就像一剂魔药,一段施在我们身上的符咒

耶鲁公开课 - 聆听音乐课程节选