彼女、21世紀に入って技術が進歩した

N5 彼女 kanojo she N3 世紀 seiki century N4 技術 gijutsu technique, technology, skill N3 進歩 shinpo progress, advancement, improvement

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N4 世 sei, se, sou / yo generation, world, society N1 紀 ki chronicle, account, narrative N5 入 nyuu, ju / i.ru, -i.ru, -i.ri, i.reru, -i.re, hai.ru enter, insert, entrer N2 技 gi / waza skill, art, craft N3 術 jutsu / sube art, technique, skill N3 進 shin / susu.mu, susu.meru advance, proceed, progress N4 歩 ho, bu, fu / aru.ku, ayu.mu walk, counter for steps, marcher

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action