gravitational attraction

常见例句

It is our nearest neighbour in space,and like ourselves it is kept tied to the earth by the earth's gravitational pull.
月亮是太空中離我們最近的鄰居，它也像我們一樣，被地球引力緊緊地拉住。
Small moonquakes, originating several miles below the surface, are thought to be caused by the gravitational pull of the earth.
發源於月球表麪以下幾英裡的微弱月震據估計是由地球引力的牽引造成的。