- ugly
- ultimately
- umbrella
- unable
- unbearable
- uncertain
- uncertainty
- uncomfortable
- uncommon
- unconscious
- uncover
- underestimate
- undergo
- undergraduate
- underground
- underline
- underneath
- understand
- undertake
- undesirable
- undoubtedly
- uneasy
- unfold
- unfortunate
- unhappy
- uniform
- uniformly
- unique
- unit
- unite
- ultimate
- unity
- universal
- universally
- universe
- unjust
- unkind
- unlimited
- unload
- unlock
- unlucky
- unnecessary
- unpaid
- unpleasant
- unreasonable
- unsatisfactory
- unstable
- unsuitable
- untie
- unwilling
- uphold
- upper
- upright
- uproar
- upset
- upside-down
- upstairs
- up-to-date
- urban
- urge
- urgent
- utility
- utilization
- utilize
- utmost
- utter
大学英语专业八级单词单词大全〔U 〕课程包含66个英语单词词汇。