现今，摩洛哥是人口第四多的阿拉伯国家。

Today, Morocco is the fourth most populated Arab country in the world.

youdao

克雷格·罗宾逊对篮球有些造诣，他是普林斯顿大学历史上得分第四多的球员，而现在担任俄勒冈州立大学的主教练。

Her brother had some expertise in playing ball; he is still the fourth-leading career scorer at Princeton University and is currently the head basketball coach at Oregon State University.

youdao

youdao

And so in theory after just 2 or 3 steps you were in order of magnitude farther along in this counting process than I would be because I'd still be on person literally 3 or 4.

因此从理论上说,经过这样短短的两三个步骤,你们就有了分级次序，比我数数快多了,因为我才数到第三四个人。

哈佛公开课 - 计算机科学课程节选

It varies with the square of distance so it goes - in order to go twice as far it takes four times as long.

速度是与距离的平方正相关的--,如果要扩散两倍的距离要多花四倍的时间

耶鲁公开课 - 生物医学工程探索课程节选

Energy will be four times more intense.

能量会原来的四倍多。

麻省理工公开课 - 固态化学导论课程节选