Until the mid-1800s, chemists in different parts of the world used different yardsticks for measuring elements.

直到 1800 年代中期， 世界不同地区的化学家使用不同的标准来测量元素。

In Greek, it literally means measuring elements, and, in essence, it allows us to count up atoms and molecules by weighing them.

在希腊语中，它的字面意思是测量元素，从本质上讲，它允许我们通过称量原子和分子来计算它们。

Now if you've been with me for a couple of weeks, and I do hope you have, you're probably thinking to yourself, " Wait, wait, now, don't.... don't we already have a way of measuring elements? " And you're right.

现在，如果你已经和我在一起几个星期了，我真的希望你有， 你可能在想，“等等，等等，现在，不要......我们不是已经有了一个测量元素的方法？ ” 你是对的。