unsayvt.取消;撤回(说过的话)
unsadj.不对称的
unspecified licensing不指定国别许可证
unstructured encoding非结构编码
unshaped refractories不定形耐火材料
unspecified attribute未说明属性
Unstability Condition失稳条件
unsustainable factors非持性因素
unsymmetrical profile非对称齿廓
unstocked forest land无林地
unsatisfactory report损失赔偿要求报告
unspeakable suffering说不出的痛苦; 不可言喻的痛苦
"unshaded drawings resembling cartoons"
"an unshaded meadow""a bright and unshaded lane"