Bgd
abbr. 锗酸铋探测器（bismuth germanate detector）
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
Poverty is not a disgrace,but theft is a disgrace.
贫穷不可耻，偷窃乃足羞。
At the end of the road you'll see the hospital. It'll take you about half an hour.
在那条路的尽头你就会看见那所医院。到那儿大约要半个小时。