アルカリ土類 金属 でしょう
arukarido ruikinzokudeshō
1. Alkaline earth metal
Noun
#176298
1. Alkaline earth metal
1. metal
1. alkalinity
1. alkali
1. continuous service
1. non-ferrous metal
1. precious metal
1. it seems; I think
2. right?; don't you agree?
1. Was metal.
1. Was not metal.; It was not metal.