Uo
abbr. 尚未发出的定货单（undelivered orders）；网络创世纪（Ultima Online）
🗣️ 情景例句
Hello, ASPCA.
喂，ASPCA。
Hello.
你好！
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。