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
Let's meet more often.
让我们常见面。
If we are bound to forgive an enemy,we are not bound to trust him.
即便我们决心宽恕敌人，也决不能相信敌人。
What's your trouble?
你哪儿不舒服？