Chinese ⇄ Arabic Basque Bulgarian Catalan Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hungarian Irish Italian Latvian Lithuanian Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Slovak Slovene Spanish Swedish Turkish Ukrainian

第二族元素
environ.	II grupės elementas žemės šarminiai metalai (任何带正二价电荷的金属，如：铍、镁、钙、锶、钡、镭属于周期表的第2A族。)