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unannounced

美音:[´ʌnə´naunst ]点这儿播放单词美音发声
英音:[´ʌnə´naunst ]点这儿播放单词英音发声
adj.未经宣布的

难易程度:

unannounced为短语/超纲词汇

unannounced


/,ʌnə'naʊnst; ,ʌnə`naunst/
adj without prior warning or notification; unexpected 未事先宣布的; 未通知的; 突如其来的
*make unannounced safety checks on equipment 对设备进行突然的安全检查
* He arrived unannounced. 他未事先通知而来到.

unannounced


adj, adv
happening without anyone expecting or knowing about it
 We arrived unannounced.