1. The woman opened her powder compact.
    那妇女打开了她的小粉盒.

2. After the train had left the station, the lady opened her handbag and took out her powder compact.
    火车开出车站后，那位妇女找开了手提包，拿出了粉盒。

3. Flour is a powder made from wheat.
    面粉是小麦做的粉。