a riot of emotion的用法和样例：
- Flowers are blooming in a riot of color.
- This expression way overthrows the regularly fixed expression form of the similar works and enables the audience to obtain a riot of emotion vividly and incisively.
- The students broke out in a riot of laughter.
- The garden was a riot of color in summer.
- Flowers of all sorts are blooming in a riot of color.
- The flower-beds were a riot of colour.