stage liquefaction

例句：

1. 1. The stage of the chemical reaction is critical to understanding its behavior.
   化学反应的阶段对理解其行为至关重要。
2. 2. The stage of development is crucial for success.
   发展阶段对于成功至关重要。
3. 3. The stage of the play is set, and the actors begin their performance.
   戏剧的舞台已经搭建好，演员们开始表演。