state of activation

• 活化状态

state of activation的用法和样例：

例句

1. It increases the energy levels of participating molecules, and hence raises their reactivity, often by raising electrons to an excited state.
   它增加了反应物分子的能量水平，通过把反应物分子由常态转变为活化状态而提高了反应物分子的活力。