名词
中文翻译：演讲时钟
同义词：
['talking clock', 'speaking clock']
例句：
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1.The speaker's clock is a device that shows the time while someone is speaking.
演讲者时钟是一种在演讲时显示时间的装置。
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2. The clock was set to speak at 9 o'clock every day.
这个钟每天设定为在九点钟报时。
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3. He bought a new talking clock for his grandmother as a gift.
他给祖母买了一个新说话的钟作为礼物。