gravitational pull短语²⁶⁰¹⁴ 基本例句 na.星球等对另一物体的引力作用；🌏地心引力；万有引力；重力牵引力 A packet of butter has a gravitational pull of its own, but this is very small in relation to the pull of something as large as the moon or the earth or the sun. 一包黄油有本身的万有引力，但是这与像月球、地球或太阳那么大的物体的引力相比，就显得微不足道了。 hnbtfy