There are about thirty-one million blacks in the U.S.

美国大约有三千一百万黑人。

《柯林斯英汉双解大词典》

I never imagine that one company could have over thirty audiences to communicate with.

我从来没想过一个公司可以与三十多个受众客户进行沟通。

youdao

In America, people are faced with more and more decisions every day, whether it's picking one of thirty-one ice cream flavors, or deciding whether and when to get married.

在美国，人们每天都面临着越来越多的决定，无论是从31种冰淇淋口味中选择一种，还是决定是否结婚和何时结婚。

youdao

The White House has one hundred thirty-two rooms, including sixteen family and guest rooms, thirty-five bathrooms and three kitchens.

VOA: special.2009.05.08

There's twenty-one days, there's thirty days, there's twenty-four hours. Now look at this!

有二十一天法,三十天法,二十四小时法,还有这个

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You can look at page thirty-one in the Hughes edition.

你们可以看到休斯版本的31页。

耶鲁公开课 - 弥尔顿课程节选

Her letter most specifically read one-thirty and, believe me, it's not my timekeeping that's gone awry.

NPR: Excerpt: 'The Sister'

It's ten to two in the afternoon and I've been waiting for my little sister, Vivi, since one-thirty.

NPR: Excerpt: 'The Sister'

They seem more approachable than in days bygone, even if we are merely one of thirty-thousand, following a brand.

FORBES: Consumer culture in free form: Twitter and celebrities