Read Edit View history 胸大肌 xiōngdàjī pectoralis major Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 胸大肌 · xiōngdàjī · pectoralis major 2026/03/04 胸大肌 xiōngdàjī pectoralis major pectoralis major muscle (across the top of the chest) 他每天在健身房锻炼胸大肌。 noun created sense Mar 4, 2026, 02:25 AM