The international foot measurements are based on the meter.

国际英尺的测量是米。

But in the official International System of Units, we use Joules.

但在正式的国际制中， 我们使用焦耳。

SI units are the International System.

SI 是国际制。

Well the answer is grave. Or rather 'grave' as it would have been pronounced in the original French.

答案是坟墓。其实是原法语发音为'grave'。 （坟墓的英语词也是grave）最初，grave是测量质量的国际主。

Scientists generally measure pressure with the S.I. unit of force: Newtons per area, meters squared, which is shortened to pascals.

科学家们通常用的国际计量 来测量压强: 牛顿平方米，简称帕斯卡。

For example, did you know that the International System of Units only includes seven base units and every other unit is derived from those units?

例如，您是否知道国际制仅包含七个基本， 而其他所有均源自这些？

It is the only thing in the entire universe with a mass of exactly one kilogram because it IS the kilogram. It is also the only SI unit that is still defined by a physical object.

这是全宇宙中唯一一个质量为一公斤整的质，因为它就是“一公斤”。 公斤同时也是唯一一个用一个指定质定义的国际主。