“元素的”造句

水是含有氢元素和氧元素的化合物.
Water is a compound containing the elements hydrogen and oxygen.

一切物质都是由一些各不相同被称为 “ 元素 ” 的简单物质构成的.
All materials are made from different simple substances called " elements ".

各种不同元素的原子中包含有不同数目的电子.
The atoms of the various elements have different numbers of electrons.