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 be such a moaner.
别老是哼哼唧唧的。
There's nothing to do because tomorrow is a holliday.
无所谓因为明天是假期。
Do you think so? Do you think managers want to read what users think about a new piece of office equipment?
你这样认为吗？你认为经理们会考虑用户对一件办公设备的反映吗？