Hbcu
abbr. historically black collegesand universities 有不光彩历史的大学
🗣️ 情景例句
Ten o'clock,
十点钟，
I'm sorry to keep on coughing.
我不停地咳嗽，真是抱歉。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。