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
Hot dogs and mustard.
热狗和芥末。
Where can you pick up your suitcase?
你在哪里取你的手提箱呢？
I said that together we could light a fire that could be seen for many miles.
我说，我们一起点燃一堆火，让几英里远都能看见。