activated atom

例句：

1. 1. The process of converting a solid into an activated atom is called activation.
   将固态转化为活化原子的过程称为活化。
2. 2. During the reaction, the activated atom can undergo further chemical reactions.
   在反应过程中，活化原子可以发生进一步的化学反应。
3. 3. The activated atom has a higher reactivity than its unactivated counterpart.
   活化原子比其未活化的对应物具有更高的反应活性。