RU
abbreviation
1.1
- informal are you?〈非正式〉你是？你在？：
where RU?
你在哪里？
1.2
- Burundi (international vehicle registration).同BURUNDI （国际车辆注册用语）。
- ORIGIN: from Ruanda-Urundi (now Rwanda and Burundi)
1.3
- rugby union.同RUGBY UNION.