signorn.(意大利语)先生=signior.
signn.手势;招牌;符号;迹象;正负号v.签;签名;做手势;做标记
signed digit number system有符号数制
sign his own death warrantvi.自寻死路(自己使自己失去心爱的东西)
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signed and sealed contract签字蜡封合同
sign language interpreting手语翻译