I'll say 'One, two, three, go!' as a signal for you to start.

我喊“一、二、三，开始！”作为你开始的信号。

《牛津词典》

People from southern China say that they always buy what they need for just one or two meals.

来自中国南方的人说，他们总是只买一两顿饭所需要的东西。

youdao

Reports say the Adventure Aquarium is the only one in the country that has two hippos.

据报道，冒险水族馆是国内唯一拥有两匹河马的水族馆。

youdao

The new guidelines say women age twenty-one to twenty-nine only need to get a Pap test every two years instead of yearly.

VOA: special.2009.11.25

- When you say bracket one, you are storing -- you are referring to the variable here, bracket two.

当你指明，你在存储-,涉及到的变量在这里。

哈佛公开课 - 计算机科学课程节选

I heard some people say one, and that's a good guess, remember they're actually sharing. So these two electrons, they belong to chlorine, they also belong to hydrogen, but they do, in fact, belong to chlorine as well.

我听到有些人说的是一个，这是个很好的猜测，但要记得它们其实是被共用的，因此有两个电子，它们属于氯，同时也属于氢，但实际上它们也属于氯。

麻省理工公开课 - 化学原理课程节选

Mr. VOGEL: It's very hard to do even one hit picture a year, and some people would say even one hit picture every two years.

NPR: DreamWorks Movie Studio Falls Short of Investors' Targets

Soldier A is only one of two soldiers who say they fired at that stage.

BBC: Soldier insists he shot 'bomber'

America, one might fairly say, had two foundings: the first under the Enlightenment guidance of its rich intellectual founders, and a second with the popular, evangelical Second Great Awakening, which flamed a quarter century afterward.

NEWYORKER: I, Nephi