unseen

n (Brit) passage for translation from a foreign language into one's own language without previous preparation 不经准备需译成本族语的一段外文: German unseens 需当场翻译的几段德文.

unsafe, unsaid, unsalable, unsatisfactory, unsaturated, unsavoury (US unsavory), unsay, unscathed, unscented, unschooled, unscientific, unscramble, unscrew, unscripted, unscrupulous, unscrupulously, unscrupulousness, unseat, unseemliness, unseemly, unselfish, unserviceable, unsettle, unsettled, unsettling, unshakable, unshakeable, unsightliness, unsightly, unsinkable, unskilled, unskillful, unsmiling, unsociable, unsocial, unsold, unsolicited, unsolved, unsophisticated, unsound,