Electrovalent bond
离子键\\n[化] 电价键; 离子键
🧩 词语组成解析
a. [化]电价的
🗣️ 情景例句
How big is your family?
你家有几口人？
Learn young,learn fair.
为学趁年青，既学须学好。
In the letter he was asked to call at the station.
要他到警察局去一趟。