It has an axis of symmetry running up and down.

它有一个自上而下的对称轴。

Whereas for the football the axis of the force is changing.

而对于橄榄球，力的轴是变化的。

Different shapes in Flatland have different numbers of axis of symmetry.

平面世界中不同的形状有不同数量的对称轴。

The line connecting all of the dots represents the axis of meaning.

连接所有点的线代表意义的轴线。

When that happened, the axis of the bulges pointed right at the Earth.

这时，月球两个凸起的轴线就正好指向地球。

So, L is the length of her body spinning about some axis of rotation.

L 是她身体围绕某个旋转轴旋转的长度。

And when a round object spins, it bulges perpendicular to the axis of rotation.

当一个圆形的东西转动，会让垂直转轴的部分凸起。

For example, the comedian was alarmed when he first heard the phrase axis of evil.

比如，他第一次听到" 邪恶轴心" 这个词的时候，他感到惊慌。

There may be legends of mythical mountains and rivers that form the " axis of the world" .

这里也许有不少神山圣河的传说造就了世界之轴。

Thanks to its life-giving waters, this mountain is known as the " axis of the world. "

多亏这些维系生命的活泉，这座高山被称为“世界之轴”。

Under normal rolling conditions, the forward motion of the suitcase is perpendicular to the wheels' axis of rotation.

在正常滚动的情况下，行李箱的前进运动与轮子的转动轴垂直。

A circle actually has infinite axis of symmetry, except poor Mr. Parallelogram, no access for you.

圆实际上有无限的对称轴，除了可怜的平行四边形先生，你无路可走。

By an uncanny coincidence, Mount Kailash perfectly matches the legend of the mythical axis of the world.

非常奇妙的巧合，冈底斯山完全符合神话中的世界之轴。

Well, a is the semi-major axis, or half the distance along the long axis of the ellipse.

a 是半长轴，或者说椭圆长轴的距离的一半。

And b is the semi-minor axis, or half the distance along the short axis of the ellipse.

b 是半短轴，或者说椭圆短轴的距离的一半。

How can I get each moment to stay on the axis of meaning instead drifting away over time?

我怎样才能让每一刻都停留在意义的轴线上，而不是随着时间流逝而流失?

We can also help a pitcher get better by giving them details like the rotational axis of the pitch.

我们还可以通过向投球手提供有关球场旋转轴等的细节信息，帮助他们表现得更好。

If you put heavy stuff close to the axis of symmetry, or close to the wheel axis, then it's stable, too.

“如果你把重物放在箱子对称轴或轮轴附近，那行李箱也会稳定。”

Now imagine taking a colored pencil and shading in the area beneath that line, down to the bottom axis of the graph.

现在想象一下，用彩色铅笔在这条线下面的区域画阴影，一直画到图形的 x 轴。

It was so superior to existing tools that soon others were following the inventor's lead and making hand axes of their own.

它优越于现存的工具，其他人很快群起而效之，纷纷制作了他们自己的手斧。