Everything you see exists together in the great circle of life.

你眼前所见的万物，在生命中循环共存。

The Equator is a great circle midway between the North and South Poles.

赤道圈是一个位于南北极当中的大圆周。

The couple walked slowly into the middle of the great circle of stones.

这两个人慢慢地走到了这些石头环绕着的一个大圆圈的中央。

It soared in a great circle, then plunged once more into the trees.

它盘旋了一大圈，又忽地一头扎进树丛。

I knew I had gone in a great circle and I was lost.

我知道我是绕了个大圈子，我迷路了。

Lower and lower the dragon flew, in great spiraling circles, honing in, it seemed, upon one of the smaller lakes.

巨龙在其中一个较小的湖上空盘旋着，越飞越低。

Gugu looked around the great circle.

咕咕环顾着大圆圈。

It's probably something to do with the great circle of life.

大概跟人生大循环有关吧。

25. When is great circle sailing most advantageous?

25. 大圆航行什么时候最有利？

And so we are all connected in the great circle of life.

我们在生命循环中紧密相连。