Sgr
abbr. 无铀伽马；钠石墨反应堆（Sodium Graphite Reactor）
🗣️ 情景例句
Right.
对。
The children were thrilled with joy at the sight of the parade.
孩子们看到游行队伍时异常兴奋。
And this is Luming.He is Chinese.
这位是鲁明。他是中国人。