The album went straight into the charts at number 1.

这张专辑一进入每周流行唱片排行榜便占首位。

《牛津词典》

Obviously, number 1 is Fluency.

显而易见，关键是要流畅表达。

youdao

He was seeded number 1.

他被定为一号种子选手。

youdao

The number of cancer cases and deaths from cancer are expected to increase 1% each year.

VOA: special.2009.01.13

That means that p1 and -- where I am, the point number 1 and point number 2 were completely arbitrary.

因为1和，两个点是2,陆军上面。

麻省理工公开课 - 热力学与动力学课程节选

In a moment I'm going to ask you to humor us and stand up but not just yet; and then you're going to each take on the number 1-- think to yourself I am number 1.

待会儿我让大家站起来,一起娱乐一下,不过不是现在,一会儿你们每人都代表一个数字1，心里默想，“我是1号“

哈佛公开课 - 计算机科学课程节选

Stone circles number 1, 000 across the country, while there are around 120 henges known.

BBC: Discovering Britain��s prehistoric stone circles

There are clearly many other benefits, but it seems to me this is benefit number 1.

FORBES: How Long Before Google + Crushes LinkedIn?

The former mayor autographed the lid, which is number 1, 000, and has visited the museum twice.

WSJ: You Can't Keep a Lid on This Kind of Creativity