Bgd
abbr. 锗酸铋探测器（bismuth germanate detector）
🗣️ 情景例句
He said he'll call you.
他说了他要给你打电话。
It only takes a few minutes.
只要几分钟而已。
No. Where's Jim? asked Ann.
“没有。吉姆在哪儿？”安问。