pingwei powder

例句：

1. 1.This is the first time I've tried pingwei powder, and it really works wonders.
   这是我第一次尝试使用平威粉，效果真的很好。
2. 2. The doctor prescribed a special pingwei powder for my mother's cough.
   医生为我妈妈的咳嗽开了一种特殊的平威粉。
3. 3. Pingwei powder can help soothe a sore throat and ease respiratory problems.
   平威粉可以帮助缓解喉咙痛和呼吸问题。