鹼土金屬 [碱－－属]

Jyutping gaan2 tou2 gam1 suk6
Pinyin jiǎn tǔ jīn shǔ

Definitions (CC-CEDICT)
  1. alkaline earth (i.e. beryllium Be 鈹|铍, magnesium Mg 鎂|镁, calcium Ca 鈣|钙, strontium Sr 鍶|锶, barium Ba 鋇|钡 and radium Ra 鐳|镭)