Sgr
abbr. 无铀伽马；钠石墨反应堆（Sodium Graphite Reactor）
🗣️ 情景例句
I hear you're expecting a baby, Mrs. Stewart.
我听说你们快有小孩了， Stewart太太。
You must come right away.
你必须马上过来。
Hello, Uncle Wang. Nice to meet you.
你好，王叔叔。见到你很高兴。