单词	doodah
释义	doodahdoo‧dah /ˈduːdɑː/ British English, doo‧dad /ˈduːdæd/ American English noun [countable] informal Word Origin WORD ORIGINdoodah Origin: 1900-2000 Probably from the meaningless word dooda in the song Camptown Races a small object whose name you have forgotten or do not know:  Where’s the doodah to turn off the TV?
随便看	office building office holder Office of Fair Trading Office of Management and Budget Office Of Public Sector Information office party officer official Official Birthday officialdom officialese officially official receiver Official Secrets Act officiate officious officiously officiousness offing off-key off-kilter off-licence off limits offline offload

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