Transition complex
[化] 活化络合物; 过渡络合物; 临界络合物
🧩 词语组成解析
🗣️ 情景例句
It's John. Didn't you recognize my voice?
我是约翰。你没听出我的声音？
Have you taken a train?
你坐过火车吗？
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。