相關(guān)單詞近義詞 unchallenged 未受過(guò)挑戰(zhàn)的..., unobstructed 無(wú)阻礙的, unrestricted 不受限制的, unhampered 無(wú)阻礙的, unimpeded 未受阻的, unrestrained 無(wú)限制的反義詞opposed, 反對(duì)的臨近詞UNO, Unota相似詞unobtrusive, unoccupied, unofficial, unopened, unoriginal, unorthodox, unpack, unpaid, 返回 unopposed