Backscattered
反(背)向散射的
🗣️ 情景例句
And what does your father do?
令尊是做什么的？
Though thy enemy seem a mouse,yet watch him like a lion.
敌人即使小如鼠，防他也要如防狮。
Are you sure you can come by at nine?
你肯定你九点能来吗？