他的门牌号是123。

His house number is 123.

我的航班号是CA123。

My flight number is CA123.

他的车牌号是ABC123。

His license plate number is ABC123.

我的分机号码是123。

I’m at extension 123.

是由123次航班托运的.

It was booked onto Flight 123.

这班车为何叫佩勒姆123？

Why is the train called Pelham 123?

患者最长DFS为123个月.

The maximal DFS in patients was 123 months.

在大选中他仅获得123张选票。

He polls only 123 votes in the general election.

在小学，像123这样的数，为什么我们要表达成123这样的呢？

So if you had some number back in grade school like 123, well, why do we express this as 123?

我减到了123磅她神采奕奕的说。

I dropped to 123 pounds, she beams.