Sgr
abbr. 无铀伽马；钠石墨反应堆（Sodium Graphite Reactor）
🗣️ 情景例句
I enjoyed lunch, Susan.
这顿午餐真好， Susan。
May I help you?
要我帮忙吗？
I'll give you a call when we are ready to talk about them.
等我们准备好可以谈的时候，我会打电话给你。