性同一性: gender identity

Alternative spelling of 葉巻きたばこ (“cigar”)

(offensive, Internet slang) Alternative form of 子供部屋おじさん

(offensive, Internet slang) a man whose age is greater than about thirty or forty who lives in one's child room and with one's parent(s).

single room

double room

改正: amendment / 快晴: clear weather / 回生: regeneration / 改姓: family name change

改正: to amend, to revise / 回生: to regenerate / 改姓: to change one's family name

二重性: duality / 二重星: double star

西暦: the western calendar; anno Domini, Common Era