大学英语专业四级单词大全
- upward
- utter
- urge
- uncertain
- ultimate
- uncertainty
- unfit
- underestimate
- unlike
- unlikely
- untie
- under way
- utilize
- ultraviolet
- underlying
- undermine
- undertake
- undergo
- underline
- uncover
- upside-down
- uproar
- utmost
- upright
- upset
- used
- use
- utility
- utilization
- unfold
- urban
- unsuitable
- universal
- upgrade
- unload
- unanimous
- unfortunate
- undo
- unite
- unity
- union
- uniform
- urgent
- uphold
- unify