Signyn.西格尼
signn.手势;招牌;符号;迹象;正负号v.签;签名;做手势;做标记
sign-on program起始程序
sign away a right签字放弃权利
significanc level显著性水平
signle completion单层守井
sign of operation运算符号
signboard of meta金属标志牌
signs and wondersn.奇迹
signed complement带符号补码
signs or symptoms体征或症状
sign an agreement签订协议