名词
中文翻译：Unknown
同义词：
['notice', 'announcement', 'notice board', 'announcement board']
例句：
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1. The schoolhas posted a distringas on the bulletin board.
学校已经在公告板上发布了一则通知。
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2. The company will hold an announcement at 3 pm today.
公司将于今天下午3点举行一次发布会。
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3. The notice board is located in the front lobby of the library.
公告板位于图书馆前厅。