水的流速约为每秒1.5米。

The water flows at about 1.5 metres per second.

《牛津词典》

产生误差的平均速度是每秒4米。

The average speed for errors was 4 meters per second.

youdao

卫星以11.2千米每秒的速度前进可以脱离地球引力，这被称为“逃逸速度”。

Eleven point two kilometers per second, at which satellites can be freed from the gravitation of the earth, is called "escape speed".

youdao

And then we have c, the speed of light, 2.998 times 10 to the 8 meters per second.

然后我们知道光速等于，2，998乘以10的8次方米每秒。

麻省理工公开课 - 化学原理课程节选

That means our energy is equal to 6.626 times 10 to the -34 joules times seconds.

这意味着能量等于,6，626乘以10的-34次方焦耳每秒。

麻省理工公开课 - 化学原理课程节选

One way to mark time is to imagine it carries a clock as it moves, and put markers every second.

标记时间的一种方法是,想像它带着时钟运动,并且每秒做一次标记

耶鲁公开课 - 基础物理课程节选