'Unofficial' is an adjective describing something that is not officially approved or acknowledged.
“Unofficial”形容的是非正式的、未被官方批准或认可的。
| 单词 | unofficial |
|---|---|
| 发音 | [,ʌnə'fɪʃl] |
| 释义 | adj. 非正式的；非官方的 |
| 词序 | 9466 |
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