| 单词 | unannounced |
| 释义 | un·announcedBrE /ˌʌnəˈnaʊnst/ NAmE /ˌʌnəˈnaʊnst/ adjective happening without anyone being told or warned in advance 未通知的；未预告的；未打招呼的◆ She just turned up unannounced on my doorstep . 她未打招呼就来到我家门口了。◆ an unannounced increase in bus fares 公共汽车票价未经公告的上涨 |
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