Meaning of yào piàn:
yào piàn
药片
Noun
a (medicine) pill or tablet; CL:片[pian4]
Yīshēng jiànyì wǒ měitiān yào chī liǎng kē yàopiàn.
医生建议我每天要吃两颗药片。
The doctor recommends that I take two pills every day.
Yīshēng ràng wǒ yì tiān chī liǎng cì zhège yàopiàn.
医生让我一天吃两次这个药片。
The doctor told me to take this pill twice a day.