Video: 0061_pour_beer_1
Phase transition: flow
State before: liquid:non viscous
State after: liquid:non viscous
Object: In the process of pouring the beer, the beer which in the bottle and being poured in the initial frame
目标物体: 在倒啤酒过程中，位于初始帧中瓶中的以及被倒入的啤酒