Insist the athletics toughens, ameliorable all over the body blood circulation, raise an anti - cold capacity and the resistance of airframe, this is to preclude a frostbite of had better device.
坚持体育锻炼，可改善周身血液循环，提高抗寒能力及机体的抵抗力，这是预防冻疮的最好方法。
2
An empty frame wired with sensing technology lets you write or paint in thin air.
这项感应技术可以让你在一个空框内随意书写。
3
Simply position the photo frame, which holds two pictures, between the "lamp" and watch your own pictures descend from mid-air.