Bgd
abbr. 锗酸铋探测器（bismuth germanate detector）
🗣️ 情景例句
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
We assume that damage occurred while the consignment was in your care.
我们认为货物是在你方保管时受到损害的。
Think carefully before you act.
三思而后行。