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
You can say that again.
你说的一点没错。
He works best who knows his trade.
内行的人做他的事一定会做得最好。
sometimes as much as twelve feet in length.
有时长达12英尺。