Our version is much more spherical.

我们手动的版本球形更加好。

Imagine a theoretical spherical animal the size of a marble.

像一下，一的球形动物有弹珠的大小。

Pretty spherical, still not particularly big.

还算球形的，但还是不太大。

Fish eyes have ultraviolet receptors and a more spherical lens than humans.

鱼的眼睛有紫外线感受器和比人类更圆的晶状体。

So people have known that the Earth is spherical for thousands of years.

所以，几千年来，人们一直知道地球是球形的。

This is pretty cool. You don't see too many spherical cakes.

其实还真挺炫酷的。球形蛋糕不常见啊。

Within the day after the impact the Earth had reassumed a basically spherical shape.

在发生碰撞以后的日子里，地球再次形成了基本的球状。

Well no actually, the adjective spherical is pronounced with a different vowel sound, okay?

好吧，实际并不是，形容词球形的发音的元音是不同的。

First things first. You want a soccer ball to be as spherical as possible.

首先，你希望足球尽可能的圆。

Remember how I said spherical, blobby shapes minimize surface area thanks to surface tension?

还记得我说过球状的水滴形状由于表面使表面积最小吗？

The eyeball itself is irregularly spherical, with an adult diameter of about 2.5 centimeters.

眼球本身呈不规则球形，成人直径约为 2.5 厘米。

Placed beside him was small, decorated spherical balls, a carved bone spatula and other offerings.

放在他旁边的是装饰过的球形小球，一把雕刻过的骨铲和其他祭品。

The Banyang Stone Sail is the world's largest granite spherical weathered marine erosion column.

半洋石帆是世界上最大的花岗岩球状风化海蚀柱。

But it means Earth isn't spherical.

但它也意味着地球不是圆的。

The scans showed that while in microgravity the astronauts' hearts deformed into more spherical shapes.

检测结果表明，在微重情况下，宇航员的心脏变得更圆了。

It's round, nearly spherical due to its own gravity crushing it into a ball.

它是圆的，受其自身引的压缩作用，它几乎就是一球形。

In fact, the Greek scholar Eratosthenes figured out the Earth was basically spherical around 240 BC.

实际上，希腊学者埃拉托色尼在公元前240年发现地球基本上是球形的。

Almost all asteroids are irregularly shaped, although a few big ones, like Ceres, are nearly spherical.

几乎所有的小行星都是不规则形状的，尽管有几像谷神星这样的大小行星几乎是球形的。

All of these combined, flatten out the spherical drop into a sort of hamburger-kind of shape.

所有这些结合在一起，使球形水滴变平，形成一种汉堡包的形状。

Globular clusters are larger, have hundreds of thousands of stars, and are more spherical.

球状星团更大，有几十万颗恒星，且更像球状。