及物动词
1. The crowd dissipated. 人群散去了。
2. Don't dissipate your efforts. 不要浪费自己的精力。
3. The wind quickly dissipated the clouds. 风迅速地驱散了云。
不及物动词
1. The crowd soon dissipated when the police arrived. 警察一到现场,人群便四散离去。