molecule

/ˈmɑləˌkjul/

(physics and chemistry) the simplest structural unit of an element or compound

中文释义：分子

A water molecule consists of two hydrogen atoms and one oxygen atom.

一个水分子由两个氢原子和一个氧原子组成。

Scientists have discovered a new molecule that could revolutionize battery technology.

科学家发现了一种可能彻底改变电池技术的新分子。