U字母開頭的單詞或詞組(第12頁)：
- use sb ill
- uncomely
- unthrifty
- unified file transfer
- urine concentration test
- unpreseted cheque
- unsafe region
- undergo surgery
- ultimo
- untraceable beneficiary
- undisturbed-one output
- universal library
- urgency order
- unconditional acceptance
- unwinding of loop
- unripe cataract
- unsound corporation
- usage lock
- unprotected
- usage mode
- undressed
- undetected error
- urticaria bullosa
- unsuccessful party
- unfounded rumor
- uterine curet
- uniflow
- unlimited exposure
- unity of title
- union
- update memory
- up against the wall
- uroflavin
- upper jaw
- uniformity of space-time
- unilateral obligation
- unmarked nonterminal
- unrealized appreciation
- utilization ratio
- unconditional branch