The attractive force we call gravity, Einstein famously postulated, occurs because massive bodies warp the four-dimensional fabric of the universe.
The attractive force we call gravity, Einstein famously postulated, occurs because massive bodies warp the four-dimensional fabric of the universe.
依照爱因斯坦著名的假设，那些我们称为「重力」的吸引力之所以存在，其实是因为带质量的物体弯曲了宇宙四维时空。