Level 5 · word 7,971 of 20,000

ion

/ˈaɪɑːn/ American

Picture: ion — Search Google Images ↗

n. 离子

Definition

n. an atom or molecule with an electric charge

Example

A sodium ion carries a small positive electric charge.

一个钠离子带有微弱的正电荷。

Word familyion-

v.