noun · medicinal liquid preparation for topical application to the skin or eyes

这种药水每天在伤口上涂抹三次。

noun · medicinal preparation in liquid or bottled form, typically for oral consumption

医生给他开了两瓶止咳药水。

noun · Yaksu in North Korea, near the border with Liaoning and Jilin province

暑假期间，我想去朝鲜的药水看看。