We don't usually do our chemistry calculations in miles per hour, so let's switch that to 42 meters per second, so it's — sorry, it's 94 miles per hour.

在化学计算中我们很少，用英里每小时，所以我们把它换算为42米每秒，对不起，它是94英里每小时。

youdao

The speed of sound is - 340 meters per second-- - it depends a little bit on the temperature-- about 770 miles per hour.

声音的速度是,340米/秒-,它有些取决于，气温-,大概是770公里/小时。

youdao

Traveling at 17, 500 miles per hour (5 miles per second)…we orbit the Earth every 90 minutes, with a sunrise or sunset every 45 minutes.

以时速17500英里/小时（5英里/秒）飞行，每90分钟我们就绕地球飞行一圈，就是说每45分钟就日升或日落一次。

youdao

We don't usually do our chemistry calculations in miles per hour, so let's switch that to 42 meters per second, so it's -- sorry, it's 94 miles per hour.

在化学计算中我们很少,用英里每小时，所以我们把它换算为42米每秒，对不起，它是94英里每小时。

麻省理工公开课 - 化学原理课程节选

Some of that's happened already, with average train speed up 20% to 27.4 miles per hour in the second quarter.

FORBES: Railroads

Other tornadoes -- one that went though parts of Choctaw County, Alabama, and ones than struck Stone, Lawrence and Jones counties in Mississippi -- also were EF2's, which have wind speeds (for three-second bursts) between 111 and 135 miles per hour.

CNN: Storms snarl traffic, batter Midwest and Northeast