单数部落 一瓶药水 a bottle of liquid medicine
复数部落 两瓶药水 two bottles of liquid medicine
会话急救包
抹药水 spread liquid medicine
A：What medicine do I need?
我得用什么药？
B：Just spread this liquid medicine three times a day.
只抹这种药水就行，一天三次。
spread /spred/ v. 抹；敷；展开；传播
喝药水 take liquid medicine
A：I took some liquid medicine. I couldn't help vomiting.
我喝了些药水。我忍不住想吐。
B：Oh, God! That's for external application and can't be taken internally.
