Backscattering
n. [物]反(向)散射,后向散射
✅ 同义词
🗣️ 情景例句
2, 3, 4, front. Now we're going to run it off. 2 3 4
前踢。现在， 我们来快跑。
I'll get this bag for you.
我来替你拿这个包吧。
What are you doing?
你在干什么？