名词
中文翻译：肌肉四头肌
同义词：
['muscle', 'quadriceps']
例句：
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1.The human body is composed of various muscles and organs.
人体由各种肌肉和器官组成。
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2.The quadriceps are the main muscles responsible for bending the knee.
四头肌是负责弯曲膝盖的主要肌肉。
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3.Muscles are essential for maintaining good posture and preventing injuries.
肌肉对于保持良好的姿势和预防伤害至关重要。