Udu
abbr. underwater detection unit 水下探測設備，水下探測器; user data unit 用戶數據單元
??? 情景例句
And now to see the end of the football game.
現在去看看足球賽的最后一段。
Money talks.
有錢能講話。
Which one is cheap? Which one is dear?
哪一支便宜？哪一支貴？