例如，一名举重运动员每天只能举重一两个小时。

A weightlifter, for example, can only lift for an hour or two each day.

youdao

我想有科学家正在尝试这样做，我希望他们能成功，这样世界会变得更干净，不是吗？如果他们发明一种东西，让我们每天只睡一两个小时，那就太好了。

I guess there are scientists right now trying to do that, and I hope they'll succeed because the world would be a much cleaner place, wouldn't it? I think it will be great if they invent something so that we only have to sleep for one or two hours every day.

youdao

他们发现花很少时间玩电子设备的青少年——每周一两个小时——幸福感最高。

They found that adolescents who spent a very small amount of time on digital devices—a couple of hours a week—had the highest wellbeing.

youdao

If you're fighting for an hour or two hours, it just seems like that would be such a low number.

如果战斗持续了一两个小时,那这个伤亡数字可算是相当低了

耶鲁公开课 - 古希腊历史简介课程节选

And if you are prepared to stand up for about two and a half to three hours to watch a play,

而且你要准备好了站上大约两个半小时到三个小时，去看一场戏剧，

莎士比亚环球剧院 - SpeakingMax英语口语达人

people could be stuck there for an hour or two.

人们就会在那儿堵上一两个小时。

地铁的好处 - SpeakingMax英语口语达人