Bgd
abbr. 锗酸铋探测器（bismuth germanate detector）
🗣️ 情景例句
Can you tell me about how long it'll take to get to...?
你能告诉我到……有多远吗？
Did you go camping this morning?
你今早去露营了吗？
Is there anything I can do for you?
我能为你做点什么吗？