Nra
abbr. 国家档案登记处（National Register of Archives）
🗣️ 情景例句
That's OK, honey.
没有关系，亲爱的。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
It's my birthday, and I'm going to have a party. Didn't you know?
我的生日聚会，我计划举办一个聚会。你不知道吗？