natural force

汉语翻译

例句：

1. The natural force of attraction exerted by a celestial body, such as Earth, upon objects at or near its surface, tending to draw them toward the center of the body.
   重力天体如地球，所施加的自然吸引力，如地球，对处于或接近其表面的物体有将它们拉向其中心的趋势