短語(yǔ)詞組短語(yǔ)pectoral fin [魚(yú)]胸鰭pectoral retractor 胸部牽開(kāi)器;胸部拉鉤Pectoral Fly 蝴蝶式擴(kuò)胸pectoral veins [解剖]胸肌靜脈;胸肌靜脈mako pectoral 條紋狀胸鰭pectoral muscles 胸肌;胸大肌Pectoral major 胸大肌endothoracic pectoral 胸肌膜Pectoral flower 胸花pectoral muscle 胸肌 返回 pectoral