虽然我们不容易感觉到重力的存在,但它一直都在我们的身旁。假如有一天,重力不存在了……最初,你可能会感觉特别新奇、特别兴奋,因为你不用拖着沉重的步伐走路、爬山了,你想去哪儿就去哪儿,可以充分享受自由的权利;所有的东西都飘浮在半空中,你想吃什么、用什么,伸手就来; Although we do not easily feel the presence of gravity, it is always with us. If one day, gravity does not exist ... Initially, you may feel particularly strange, particularly excited, because you do not have to walk with heavy steps, climbing, where you want to go, you can fully enjoy the freedom of the right; All things are floating in the air, what you want to eat, what to use, reach out;