| 单词 | unofficial |
| 释义 | unofficialun‧of‧fi‧cial /ˌʌnəˈfɪʃəl◂/ ●○○ adjective 1done or produced without formal approval or permission: Hodges wrote an unofficial biography of the artist.2not done as part of your job: The president made an unofficial visit to the Senator’s house.—unofficially adverb |
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