Udu
abbr. underwater detection unit 水下探测设备，水下探测器; user data unit 用户数据单元
🗣️ 情景例句
Get outta here!
出去！
Will you go shopping with me?
你跟我去买东西吗？
Before they were replaced by steamships,
在蒸汽船取代帆船之前。