Sgr
abbr. 无铀伽马；钠石墨反应堆（Sodium Graphite Reactor）
🗣️ 情景例句
He gives his harness bells a shake
摇动， 绳上的铃铛
I buy some food on my way home.
我回家路上买些吃的。
I have 4 books and 2 magazines to check out.
我有4本书和2本杂志要借。