更重要的是，中国正在研制最高时速400公里的新型高速列车。

What's more, China is working on the new high speed trains with the highest speed of 400km/h.

youdao

我们可以以每小时480公里的速度飞行，避开红绿灯和繁忙的道路。

We could fly at 480 km per hour, avoiding traffic lights and busy roads.

youdao

youdao

And Timlin who is about 91 miles per hour, Timlin So, why don't you take ten seconds to do that.

我们的继投手之一，能做到91公里每小时，one，of，our，relievers。,你们为什么不再花10秒钟,来做这道题？

麻省理工公开课 - 化学原理课程节选

So how do we get you from for many of you zero to 60 miles per hour after just 11 weeks, well like many courses here is the course structured around not only lectures for conceptual introductions, but sections, office hours and walkthroughs.

十一周后,很多人每小时都能知道60公里内发生的事情，就像这里的很多课程一样,这个课程不只有概念性的介绍，也包括上机和演练讲座。

哈佛公开课 - 计算机科学课程节选

If you look at your map you will see first on the west side, you've got a low coastal plain. It is about 20 or 30 miles wide.

如果看地图的话，你会首先在西端看到，你会看到地势低的海岸平原，大约20到30公里宽。

耶鲁公开课 - 旧约导论课程节选