大統領 だいとうりょう president (of a nation or company); chief executive n big man; boss; buddy; mate n fam Beginner II ➥
系統 けいとう system n lineage; ancestry; family line n group (e.g. of colors) (colours); family (e.g. of languages); party; school (of thought) n close (evolutionary) relationship n a population sharing a common ancestor (in genetics); strain (e.g. bacterial) n Intermediate ➥