名词
中文翻译：嘴唇的约束
同义词：
['lip tether', 'lip restraint']
例句：
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1.The singer's lips were tightly controlled to prevent any slip-ups during the performance.
歌手在表演时嘴唇被严格控制，以防出错。
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2. The artist used a lip tether to ensure his lips remained in place during the performance.
艺术家使用唇部约束装置，以确保在表演过程中嘴唇保持不动。
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3. The actor was praised for his exceptional lip control during the film's climactic scene.
演员在电影高潮场景中出色的唇部控制获得了赞誉。