U字開頭的單詞或詞組
unorganizedunit of measureunimportantultravioleturethaneunsureundertookUFPup forunicycleunofficialuntouchableupdate nowunidentified flying objectupturnunfairnessuttererunsuccessfulunder controlunder one's beltuser friendlyunhandleduninterestingUCLunjustunrequitedup againstunderpaidutensilunspokenUgandaundergradundersupplyuntoldunsettleuserinfouraniumunproductiveunfulfilleduneaseureteruncontrollable



















