您要查找的是不是：
- 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 earth is round because of gravity. 地球是由于重力而成为球形的。
- The spring constant of a spring. 弹簧的弹性常数。
- We have to submit to law of gravity. 我们必须服从引力定律。
- 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。
- It's an epic that breaks the laws of gravity. 它是一部打破引力定律的史诗般的影片。
- Center of gravity assured natural stability. 保证重心自然稳定。
- The law of gravity is universal. 引力定律适用于宇宙万物。宇宙的,全世界的。
- Newton conclusively established the law of gravity. 牛顿确定了万有引力的定律。
- Q:Who discovered the law of gravity? 谁发现了地心吸引定律?
- A quantum theory of gravity is needed. 这时候你需要量子重力理论才行。
- Of or relating to the center of gravity. 重心的重心的或与重心相关的
- A rock falling to the ground is an illustration of gravity. 石块落地是地球引力的一个实例。
- The teacher gave a demonstration of the law of gravity. 教师论证了引力定律。
- The value of this property is a constant of type size_t. 此属性的值是类型为size_t的常数。
