This is the 1520th most frequent Chinese word.
药
Medicine; drug.
Here, '药' refers to medicine specifically intended for treating colds.
我需要买些感冒药。
I need to buy some cold medicine.
In this sentence, '药' refers to prescribed medicinal substances taken regularly for health recovery.
医生给我开了药，我每天都要按时吃。
The doctor prescribed medicine for me, and I have to take it on time every day.
Here, '药' denotes a remedy used specifically for treating skin diseases, highlighting its utility.