Video: 0283_pour_beer_2
Phase transition: flow
State before: liquid:non viscous
State after: liquid:non viscous
Object: In the process of pouring the beer, all the parts of the beer which at the initial frame (including the white foam)
目标物体: 在倒啤酒的过程中，位于初始帧中所有的啤酒部分（包括白色泡沫）