Rescattering
二次散射; 重散射
🗣️ 情景例句
Well, that's life, isn't it?
这就是生活，不是吗？
When did you do homework?
你什么时候做家庭作业？
The conference was very well organized. Everything began and finished on time.
会议安排的很好。开始和结束都准时。