名词
中文翻译：肌肉伸肌
同义词：
['extensor muscle', "extensor tendon例句：1. The doctor examined the patient's muscles and found no signs of injury.（医生检查了患者的肌肉，没有发现任何受伤的迹象。）"]
例句：
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1. The doctor examined the patient's muscles and found no signs of injury.
医生检查了患者的肌肉，没有发现任何受伤的迹象。
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2. The athlete's muscles were sore from intense training.
这位运动员的肌肉因激烈的训练而酸痛。
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3. The scientist used a microscope to examine the microscopic structure of the muscle fibers.
科学家使用显微镜来观察肌肉纤维的微观结构。