人生就是要一次次的超越！

Life is to go over and over again!

youdao

首先，通过一次次的演奏钢琴，我的技艺有了提高。

First, I played the piano again and again and I got better.

youdao

和蹒跚学步的小孩一样，我们一次次从跌倒里学习行走。

As a toddler, we learn to walk not by walking, but by falling.

youdao

But in fact, if you just run your fingers again and again over this floppy disk you are disorienting those particles or knocking them off perhaps altogether, depending on the medium.

事实上，如果你把手指一次次的在磁盘上面滑动,这些粒子就会变的无极性,或者把它们整个搞坏，而这取决于媒介。

哈佛公开课 - 计算机科学课程节选

printf So here I'm culling printf in a loop again and again, but I'm literally overwriting the previous thing that I wrote.

所以这里我一次次地在循环中使用，但是我逐行地覆盖了我之前所写的东西。

哈佛公开课 - 计算机科学课程节选

Those billions of cells come from successive rounds of cell division.

这数以十亿计的细胞,都来自一次次的细胞分裂

耶鲁公开课 - 生物医学工程探索课程节选