我去药店买药品。
wǒqù yàodiàn mǎi yàopǐn 。
I went to the pharmacy to buy medicine.
这药品对治疗感冒很有效。
zhè yàopǐn duì zhìliáo gǎnmào hěn yǒuxiào 。
This medicine is very effective for treating a cold.
你需要在医生的建议下使用药品。
nǐ xūyào zài yīshēng de jiànyì xià shǐyòng yàopǐn 。
You need to use the medicine under the doctor's advice.