Backscattered
反(背)向散射的
🗣️ 情景例句
You know, it hung over my crib, too.
要知道 ，我的小床上也曾有过它。
We hope that the next negotiation will be the last one before signing the contract.
我们希望下一交谈判将是签订合同前的最后一轮谈判。
I envy you very much.
我非常羡慕你！