单词 unfounded 释义 unfounded adj with no basis in fact; groundless 无事实根据的; 无基础的......

单词 unstudied 释义 unstudied adj natural and unaffected 自然而不做作的 with ,unstudied `e......

单词 unsung 释义 unsung adj (fml 文) not celebrated in poetry or song; unrecognized （在诗......

单词 uncouth 释义 uncouth adj (of people, their appearance, behaviour, etc) rough, awkward......

单词 unfortunately 释义 unfortunately adv ~ (for sb) regrettably; unluckily遗憾地; 不幸地 ......

单词 unstuck 释义 unstuck adj 1 not stuck or glued on or together; detached 未粘住的; 未附......