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
Huh.
哦。
Can you keep an eye on my bag?
帮我看一下包好吗？
The sorry-looking, blackened figure that emerged, admitted at once that he had tried to break into the shop during the night but had got stuck in the chimney.
那个看来满脸沮丧、浑身漆黑的家伙从烟囱里一出来，就承认头天夜里他企图到店里行窍，但让烟囱卡住了。