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
Mike likes to write by the nice bright light at night.
迈克喜欢晚上在柔和明亮的灯光下写作。
It can't be helped.
无能为力。
The deer are farmed for their meat and fur, which are then shipped to many other countries.
饲养鹿的目的是为了获取鹿的肉皮，然后鹿皮会被轮船运往许多别的国家。