1. The students broke out in a riot of laughter.
   学生们突然放声大笑。
2. The tyrant rioted in cruelty.
   那暴君残暴无度。
3. The garden was a riot of colors in august.
   八月的花园里五彩缤纷
4. The policemen were out in force to prevent rioting.
   警察人员有效地出动以防止暴动。
5. The riot waged for several hours.
   骚乱进行了好几个小时。

　1个名词解释