是地心吸引力使苹果下落.It is gravitation that causes the apple to fall.物体脱手即向地心方向跌落是由于重力吸引的缘故.Anything that is dropped falls towards the centre of the earth because of the pull of gravity.“ 你们连气候或者地心吸力都还没法控制.'You don't ev...

“地心”的反义词：地表。...

“地心”的英语可以翻译为：[地] the earth's core，[电影]The Heart of the World...

“地心”的拼音为：dì xīn...