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
And thanks for the advice about the house.
也谢谢你关于房子的建议。
If I buy that car, I'll have to use all my savings.
如果我要买那辆车的话，我必须用尽我的积蓄。
Alfred the Great acted his own spy,
阿尔弗雷德大帝曾亲自充当间谍。