1.unused adj. 不用的;从未用过的
She flushed the unused tablets away.
她冲走了未服用的药片 。
2.undisputed adj. 无可争辩的;无异议的;毫无疑问的
Seles won 10 tournaments, and was the undisputed world champion.
塞莱斯赢了10次锦标赛,是无异议的世界冠军 。
3.countless adj. 无数的;数不尽的
She brought joy to countless people through her music.
她通过自己的音乐把快乐带给了无数人 。