Diffuence
扩流区
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
In secondary school, children get more advanced knowledge.
中学的小孩会得到进一步的知识。
He noticed that a river of liquid rock was coming towards him.
他发现有一股岩浆正向他流过来，