名词
中文翻译：肌肉层
同义词：
['muscle layer', 'muscle tissue']
例句：
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1.The muscles in the arms are very strong and can lift heavy objects.
手臂上的肌肉非常强壮，能举起重物。
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2. The muscles in the legs are responsible for supporting the body's weight.
腿部的肌肉负责支撑身体的重量。
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3. During exercise, the muscles in the arms and legs are activated to increase strength and endurance.
在锻炼时，手臂和腿部的肌肉被激活，以增加力量和耐力。