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请输入英文单字，中文词皆可：

unannounced    音标拼音: [,ʌnən'ɑʊnst]
a. 未经宣布的

未经宣布的

unannounced
adj 1: without warning or announcement; "they arrived
unannounced"; "a totally unheralded telegram that his
daughter...died last night"- M.A.D.Howe [synonym:
{unannounced}, {unheralded}, {unpredicted}]

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