gravity

Arrows would continue to fly forward forever in a straight line were it not for gravity, which brings them down to earth.

要不是重力使箭掉落地上，它将会一直沿直线往前飞行。

Gravity had always been, but Newton "discovered" it.

引力一直都是存在的，但是是牛顿“发现”了它。

He was struggling to find the right equations that would describe his new concept of gravity.

他一直在努力寻找合适的方程来描述他的新引力概念，这些方程将定义物体如何在空间中移动，以及物体是如何扭曲空间的。

The president said those who grab power through violence deserve punishment which matches the gravity of their crime.

总统说那些通过暴力攫取权力的人应当受到与其罪行严重性相一致的惩罚。

There was an appealing gravity to everything she said.

她说的一切都带有一种吸引人的严肃与庄重。