名词
中文翻译：语音操作设备
同义词：
['voice-activated device', 'voice-controlled device']
例句：
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1. The new voice-operated door lock is very convenient for the elderly.
这款新的语音操作门锁非常适合老年人使用。
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2.Many children enjoy playing with voice-operated toys because they are easy to use.
许多孩子喜欢玩语音操作玩具，因为它们使用起来很容易。
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3. The voice-operated system can be used to control various household appliances.
这个语音操作系统可以用来控制各种家用电器。