Bgd
abbr. 锗酸铋探测器（bismuth germanate detector）
🗣️ 情景例句
You have a good command of English.
你的英语水平很好。
Which would you rather do--go dancing or go to a play?
你将去跳舞还是去看戏？
You're working hard, George.
你干得真辛苦，乔治。