Bgd
abbr. 锗酸铋探测器（bismuth germanate detector）
🗣️ 情景例句
Well, Grandpa wanted me to study engineering, like him.
嗯 ，爷爷希望我像他一样学工程。
How many yards are you going to get?
你要取几码？
The pilot managed to circle the balloon for some time.
飞行员设法绕着气球飞了一阵。