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   English
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unidentified flying object ['ʌnaɪ'dentɪfaɪd'flaɪɪŋ'ɔbʤɪkt]
astr. disco volante
nat.sc., transp. oggetto volante non identificato
 English thesaurus
Unidentified Flying Object ['ʌnaɪ'dentɪfaɪd'flaɪɪŋ'ɔbʤɪkt]
abbr. UFO
IT, abbr. UFO (Space)