名词中文翻译
中文翻译：胸肌
同义词：
['pectoral muscle', 'pectoralis muscle']
例句：
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1. He lifted his arms to show off his impressive pectoral muscles.
他举起双臂，炫耀他那令人印象深刻的胸肌。
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2. The weightlifter's pectoral muscles were visible under his tight shirt.
举重运动员的胸肌在紧身衬衫下清晰可见。
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3. She spent hours working out her pectoral muscles for a fitness competition.
她为了参加健身比赛，花了好几个小时锻炼她的胸肌。