It's interesting that he sent me the book twenty days before the deadline for my book.

有趣的是，在距离我书的截止日期20天前他把那本书寄给了我。

《柯林斯英汉双解大词典》

He came from the twenty-third floor down to the lobby on the mezzanine to collect his mail before breakfast, and he believed—he hoped—that he looked passably well: doing all right.

早饭前，他从二十三楼走到夹层的门厅去取邮件。他相信——他希望——他看上去还过得去：一切都很好。

youdao

Before I leave this world, I have to tell you one thing that has been hidden in my heart for over twenty years.

在我离开这个世界之前，我必须告诉你一件在我心里藏了二十多年的事。

youdao

But the crop of foreign students in agriculture and natural resources was twenty percent bigger than the year before.

VOA: special.2009.05.07

I've read through the same thing twenty times and I've missed something obvious. Someone who's never seen it before looks at and says, did you really mean to do this?

但是它们有一双旁观者之眼,我把同一段代码读上20遍,都会漏掉一些很明显的错误，从没看过这段代码的人会告诉我？

麻省理工公开课 - 计算机科学及编程导论课程节选

Now it's still going to be another twenty-five years before Milton writes the great epic, but Milton will no longer express the same degree of anxiety about under-preparation to write the great epic.

距他成为真正的史诗诗人,还有25年，但是弥尔顿不会再轻易表现出,关于创作史诗毫无准备的同等的焦虑了。

耶鲁公开课 - 弥尔顿课程节选

The day before had been my twenty-fifth birthday, and no one had remembered, not even Ginnie, my own sister, my Irish twin, eleven months younger than I.

NPR: Excerpt: 'The Garden Angel'

Twenty minutes before, Mellinger, who goes by Brad but is named Kevin, was running a reconnaissance mission on the banks of the Tigris River when he went down.

NPR: 'Miracle Workers' Save Lives at Balad Field Hospital

My mother had always been ahead of fashion trends, but in this instance she'd recognized the talent of Patricia Field twenty years before the rest of the world.

NPR: 'Pretty' Chronicles Drastic Steps to Prevent Cancer