As collagen albumen and bounce albumen swoon, the net is met attenuate becomes fragile, rupture even, appeared so the furrow with differ degree of finish.
英
美
- 随着胶原蛋白和弹力蛋白渐渐消失,网会变细变脆,甚至断裂,这样就出现了粗细不一的皱纹。