unsetadj.未装配的(不固定的)vt
unsadj.不对称的
Unsaturated Resin不饱和树脂
unsaturated group不饱和基
unsecured advance[经] 无担保贷款
unskillful doctor下工
unstated interest未订明利息
unsecured lenders[经] 无担保放款人
unsaturated acids不饱和酸
unsual quantifier非通常量词
unsigned contract未签署的合同
unseasonably warm反常地温暖