kj
abbr.
killer judo 柔道;
kraut joint 克劳特连接;
krystal joint (pcp) 克瑞斯特连接（五氯酚）;
kimberly joint (lumbing) 金伯利关节（腰部）;
例句:
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You can but it on my visa card the number is: kj : 409 6237.
你可记在我的签证卡上.号码是: kj:4096237.
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KJ is a biography of a HK musical genius.
这是一个香港音乐天才的成长传记.
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KJ: I would want a handwritten letter from my girlfriend.
答: 我会想要一封手写的情书吧.