Backscatter
[计] 反向散射
✅ 同义词
🗣️ 情景例句
It might be a little cold.
可能有点凉了。
You are healthier than I am.
你比我健康。
And you ought to get a few large rocks to put in the tank.
还有，你应该弄到几块大点儿的岩石，放进水箱里。