相關單詞同義詞unreachable, 近義詞 inaccessible 難接近的, unavailable 得不到的, unattainable 難到達的, out of stock 已脫銷, untouchable 不可接觸的, unprocurable 不可獲得的臨近詞UNO, unoil相似詞unnecessary, unnerve, unnoticed, unobserved, unobtrusive, unoccupied, unofficial, unopened, 返回 unobtainable