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1.The patient was diagnosed with a rare condition that affects the muscles in his neck and shoulders.
患者被诊断出患有一种罕见的疾病，这种疾病影响了他的颈部和肩部肌肉。
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2.During surgery, the surgeon had to make a precise cut to remove the tumor without damaging the surrounding muscles.
在手术过程中，外科医生必须精确地切割肿瘤，以免损伤周围的肌肉。
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3. The researcher found that the muscles of the diaphragm are essential for breathing and must be studied closely.
研究者发现膈肌的肌肉对于呼吸至关重要，必须仔细研究。