higher order reaction

例句：

1. 1.The higher-order reaction is responsible for the formation of new compounds.
   更高阶的反应负责形成新化合物。
2. 2. In higher-order reactions, the reactants are combined to form a complex product.
   在更高阶反应中，反应物结合形成复杂产物。
3. 3.Higher-order reactions often require more energy and time than lower-order reactions.
   更高阶反应通常需要更多的能量和时间，比低阶反应要复杂得多。