U字母开头的单词或词组(第2页)：
- urticaria
- uteritis
- uvula
- uterus
- United States
- underpass
- Ulyanovsk
- undeclared
- undeniable
- unutterable
- unreasoning
- uniquely
- unsmiling
- unhurt
- Utah
- unimaginative
- unscrew
- unrealistic
- unpack
- underclothes
- unsympathetic
- unforeseen
- unacceptable
- unshakable
- uncrumpled
- unrelenting
- undoing
- user-friendly
- underside
- unduly
- uncalled-for
- undercharge
- undue
- upkeep
- uprising
- under favorable conditions
- urban sprawl
- Upper World
- unaided eye
- unbound hair
- under construction
- under pressure
- usher in
- ultimatum