medicinal powder

• 药粉

medicinal powder的用法和样例：

例句

1. When I blacken hair, I have to beat up the drug powder in water.
   我染黑头发时，必须把药粉搅在水里。
2. He dusted a powder over his roses to kill all the insects.
   他在玫瑰花上撒了药粉以杀死所有的害虫。