When we are tense, the body produces cortisol which can speed up the metabolism, resulting in stress break-outs on the skin surface and premature ageing.
当我们紧张的时候，身体产生可以加快新陈代谢的皮质醇，结果使紧张在皮肤表面上爆发出来，导致皮肤早衰。
2
B. characteristics: nylon coating, surface gloss good, adhesion, high abrasion resistance, resistant to moisture, corrosion resistance, ageing resistance.
特性：尼龙涂层，表面光泽度好，附着力强，耐磨，耐潮湿，耐锈蚀，耐老化。
3
The heat ageing interaction of silicone rubber with three of fumed silica having different surface property was studied.