a folding fan的用法和样例：
- The whole book was evenly fold into rectangle form so it can be opened and closed like a folding fan.
- Except for laokuai, who hold a wooden club, all others dance with a folding fan in their hands.
- Can you show me a folding fan?
- The fastening or opening covered by such a fold.
- Prince Edward Long War will battle days sector, a Maronite own innate dignity, in a dance choreographed to wonderful Shen Qiang, a folding fans also pay its elegant styles.