【可算名詞】
系図学者 系統学者
(用例)A genealogist may be able to help you track your family history further than you can on your own.
出典 pixabay
【可算名詞】
系図学者 系統学者
(用例)A genealogist may be able to help you track your family history further than you can on your own.
出典 pixabay