Our version is much more spherical.

我们手动版本形更加好。

Imagine a theoretical spherical animal the size of a marble.

像一下，一个假形动物有弹珠大小。

Pretty spherical, still not particularly big.

还算形，但还是不太大。

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

鱼眼睛有紫外线感受器和比人类更圆晶状体。

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

所以，几千年来，人们一直知道地是形。

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

其实还真挺炫酷。形蛋糕不常见啊。

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

在发生碰撞以后日子里，地再次形成了基本状。

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

好吧，实际并不是，形容词形发音元音是不同。

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

首先，你希望足尽可能圆。

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

还记得我说过状水滴形状由于力而使积最小吗？

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

眼本身呈不规则形，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.

放在他旁边是装饰过形小，一把雕刻过骨铲和其他祭品。

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花岗岩状风化海蚀柱。

But it means Earth isn't spherical.

但它也意味着地不是圆。

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

检测结果明，在微重力情况下，宇航员心脏变得更圆了。

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

它是圆，受其自身引力压缩作用，它几乎就是一个形。

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年发现地基本上是形。

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

几乎所有小行星都是不规则形状，尽管有几个像谷神星这样大小行星几乎是形。

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，使形水滴变平，形成一种汉堡包形状。

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

状星团更大，有几十万颗恒星，而且更像状。