And this dimple is later forming a vesicle, a round ball, that goes on and forms the ear.

随后形成一个圆球状的泡囊，直至发育成耳朵。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

I look at the plate on my kitchen table, it's not perfectly round, it's got imperfections; but suddenly I start thinking about circles, perfectly round objects.

我看着我餐桌上的盘子,它不是正圆的,它不完美,但是我马上就可以想到圆圈,正圆的东西

耶鲁公开课 - 死亡课程节选

I just wanted to get her on the subway and she, too, she did mention I want a round trip, she wants to be able to come back from Park Street Station so where is the option that just says one way or round trip?

我只想让她乘上地铁，她也是，她提到她想要一个环形旅行，她想,从Park，Street地铁站返回，但是哪里有一个选项,来说明是一个单线的还是环线的？

哈佛公开课 - 计算机科学课程节选

First I go over the physical posture you should have because when you're sitting like we usually sit on the round cushion or the floor, re free of contact with people usually both your knees and your butt are for the kneeling.

首先理顺应有的身体姿势,因为打坐时,像我们常会坐在圆坐垫,或地板上，你要确定自己身旁不要有人，you，make，sure，you‘,通常两膝和臀部都要注意,都要碰到地面。

普林斯顿公开课 - 人性课程节选