Rbd
abbr. rapid beam deflector 快速波束偏转器; required beginning date 必需的初始日期; right border of dullness 右浊音界（心脏叩诊）
🗣️ 情景例句
Don't you want something to eat?
您想吃点什么吗？
Let's celebrate!
让我们好好庆祝一下吧!
Who eats who?
究竟谁吃谁呢？