动词短语
中文翻译：宣布结束
同义词：
['announce', 'declare', 'proclaim', 'state']
例句：
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1.The meeting was called to order at 5:00 p.m. and the speaker declared off.
会议在下午5点开始，发言人宣布结束。
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2. After a long debate, the leader finally declared off, signaling the end of the session.
经过长时间的讨论后，领导人最终宣布结束，标志着会议的结束。
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3. The band played their final song and then declared off, leaving the audience in silence.
乐队演奏完最后一首歌后宣布结束，观众陷入了沉默。