肌肉缺氧常表现出全身乏力，容易疲倦。

Muscle hypoxia often show generalized weakness, easy fatigue.

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接着，他全身乏力，食欲不振，身体开始消瘦。

He then generalized weakness, loss of appetite, body weight loss began.

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接着，他全身乏力，食欲不振，身体开始消瘦。

He then generalized weakness, loss of appetite, body weight loss began.

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