reaction process

例句：

1. 1. The chemical reaction is very fastand produces a lot of heat.
   化学反应非常快，产生了大量的热量。
2. 2. The reactionprocess is crucial for thestability of the material.
   反应过程对于材料的稳定性至关重要。
3. 3. The scientistsare studying the reaction processto improve the efficiency of theproduction line.
   科学家们正在研究反应过程以提高生产线的效率。