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- The attraction of the earth for other bodies is called the force of gravity. 地球对其它物体的吸引称为地心引力。
- The constant maximum velocity reached by a body falling through the atmosphere under the attraction of gravity. 在引力下物体穿越大气的最快速度。
- We find acting on the ball three forces ; the resistance of the air ,the resistance of the ground and the attraction of gravity . 我们发现，作用在这个球体上有三个力：空气的阻力、地面的阻力、地心引力。
- We find acting on the ball three forces ; the resistance of the air , the resistance of the ground and the attraction of gravity . 我们发现，作用在这个球体上有三个力：空气的阻力、地面的阻力、地心引力。
- We find acting on the ball three forces ; the resistance of the air , the resistance of the ground and the attraction of gravity. 我们发现，作用在这个球体上有三个力：空气的阻力、地面的阻力、地心引力。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- What is the force of gravity at sea level? 海平面的地球引力多大?
- The force of gravity pulls things towards the earth's centre. 地心吸力把物体吸向地心。
- He discoursed impressively on Newton's theory of gravity. 他讲述了牛顿的引力定律，给人以深刻的印象。
- The force of gravity makes things fall to earth. 地心引力使物体落向地面。
- Newtow conclusively established the law of gravity. 牛顿确定了万有引力定律。
- The plane defied the laws of gravity. 这架飞机经受住了引力定律。
- The main attraction of this product is economy. 这项产品吸引人的地方主要是经济性。
- He cannot resist the attraction of a pretty girl. 他无法抗拒漂亮女郎的吸引力。
- The earth is round because of gravity. 地球是由于重力而成为球形的。
- But the attraction of wildness had gone. 然而荒野的魅力却已经消失殆
- We have to submit to law of gravity. 我们必须服从引力定律。
- What's the attraction of going on the stage? 是什么吸引你登上舞台的?
- The pull of gravity depends upon size, or, more accurately, upon mass. 引力的拉力取决于物体的大小，或者更确切地说，取决于质量。
- Thus, the attraction of the lecture can be seen. 可见此次讲座在同学心中还是很有吸引力的。
