It's only a number one.

只撒了尿。

《牛津词典》

There's a Number One bus every three minutes.

一路公共汽车每隔3分钟就有一班。

《新英汉大辞典》

Allergy. Allergy is a number one foods side effect.

过敏是食物的头号副作用。

youdao

It became a number one song in America two years later.

VOA: special.2009.09.18

Situation number two is I take the same number, and I make a row. They are all in one row.

状态二我将采用同样的数字，并且我做了一个箭头，它们全部都在一列上。

麻省理工公开课 - 固态化学导论课程节选

But when you solve the Schrodingerequation, you don't get just a set of solutions that are dependent upon one number.

但当你解薛定谔的方程式时，你没得到有一个统一答案的,一系列解决方法。

麻省理工公开课 - 固态化学导论课程节选

Their first big pop tune, "I Got You Babe, " was a number one hit in 1965.

CNN: AllPolitics

The singer scored a number one with album track Spinning Around during the summer.

BBC: Kylie to spin around Britain

We have taken Timor-Leste as the first country to raise education as a number one priority.

UNESCO: EDUCATION