Breasts are made up of fat and no muscle, with support provided only by the surrounding skin and the Cooper's ligaments, which extend from the nipples to the pectoral muscles.
Breasts are made up of fat and no muscle, with support provided only by the surrounding skin and the Cooper's ligaments, which extend from the nipples to the pectoral muscles.
乳房是由脂肪组成的，没有肌肉，仅靠周围的皮肤和库珀韧带来支撑。库珀韧带是由乳头延伸到胸肌的韧带。