unchallenged
英 [?n't??l?n(d)?d]
美[?n't??l?nd?d]
- adj. 不成問題的；未引起爭論的；[法] 不回避的
考試真題
- Their cooperation quickly produced results, and a few years later at jamaica's olympic trials in early 2008, Shelly-Ann, who at that time only ranked number 70 in the world, beat jamaica's unchallenged queen of the sprint.
2016年高考英語江蘇卷 閱讀理解 閱讀D 原文