signn.手势;招牌;符号;迹象;正负号v.签;签名;做手势;做标记
signed line承保份额
sign in ink用钢笔签字
Signochrysan.长柄草蛉属
sign manualn.亲笔签名;手势
signed rank符号秩
signwritingn.画招牌;画广告
sign design标志设计
sign marker正负号标记符
signed term有符号项
signed real带符号实数