Backscattered
反(背)向散射的
🗣️ 情景例句
They are above average 85. I'm among the upper third of my class.
我的平均成绩在85分以上。我是全班第三名。
It is so necessary for you to have some rest and relaxation.
你特别需要休息和娱乐。
like adolescents they stand before the mirror,
犹如希腊神话中那位漂亮少年，