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
I can see well both day and night.
我白天晚上都能看得很清楚。
If it doesn't rain tomorrow, will you come to see me?
如果明天不下雨的话，你会来看我吗？
Kate!
凯特！