Rescattering
二次散射; 重散射
🗣️ 情景例句
If you don't go to college, you'll never get a good job.
你要是不上大学，就永远找不到好工作。
What's the rush?
你急什么？
We've been anxious about you. We were expecting you back much earlier.
我们都为你们着急呢。都盼着你们早点儿回来。