- ugly
- umbrella
- uncle
- uncomfortable
- under
- undergo
- underground
- underline
- underneath
- understand
- understanding
- undertake
- uneasy
- unexpected
- uniform
- union
- unique
- unit
- unite
- unity
- universe
- university
- unknown
- unless
- unlike
- unnecessary
- until
- unusual
- upon
- upper
- upset
- upstairs
- up-to-date
- upward
- urban
- urge
- urgent
- us
- use
- used
- useful
- useless
- usual
- usually
- utmost
成人英语成人高考专升本单词单词大全〔U 〕课程包含45个英语单词词汇。