Sgr
abbr. 无铀伽马；钠石墨反应堆（Sodium Graphite Reactor）
🗣️ 情景例句
No ID number.
没有识别号码。
I would like to confirm the reserved seat.
我要确定已预定的位置。
It's only three hundred pounds. But, of course, it's not as good as the expensive one.
它只要300英镑。但是，它当然没有价钱高那种好。