Nmah
abbr. National Museum of American History 美国国家历史博物馆（华盛顿区）
🗣️ 情景例句
at ten o'clock tomorrow morning.
明天上午十点钟。
Sorry to bother you.
抱歉打扰你。
Excuse me, please. Where's the nearest men's room?
劳驾，离这儿最近的男厕所在哪儿？