短語詞組短語pectoral major muscle 胸大肌pectoral suferficialis muscle 胸淺肌pectoral superficialis muscle 胸淺肌pectoral major muscle test 胸大肌試騐absence of pectoral major muscle 胸大肌缺失pectoral -muscle segment algorithm 胸肌分割算法deep pectoral muscle 胸深肌greater pectoral muscle 胸大肌;大胸肌major pectoral muscle 胸大肌 返回 pectoral muscle