Backscattering
n. [物]反(向)散射,后向散射
✅ 同义词
🗣️ 情景例句
to read to the students--their own children, really.
共同为学生们， 其实就是他们自己的孩子， 朗读
Let me go.
让我走。
It's none of your business.
关你屁事！