名词中文翻译
中文翻译：肌肉的括约肌
同义词：
['muscle sphincter', 'muscle sphincter muscle']
例句：
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1.The muscles of the neck are responsible for supporting the head and shoulders.
颈部的肌肉负责支撑头部和肩膀。
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2. During childbirth, the muscles of the perineum must be stretched to allow for delivery.
分娩时，会阴部的肌肉必须拉伸以便于分娩。
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3. The muscles in the back can help you lift heavy objects and move quickly.
背部的肌肉可以帮助你举起重物并快速移动。