彼は精密な計器を使って実験した

N5 彼 kare he N1 精密 seimitsu precise, exact, detailed, minute N3 計器 keiki meter, gauge, measuring instrument N3 実験 jikken experiment, laboratory work

N3 彼 hi / kare, kano, ka.no he, that, the N3 精 sei, shou / shira.geru, kuwa.shii refined, ghost, fairy N1 密 mitsu / hiso.ka secrecy, density (pop), minuteness N4 計 kei / haka.ru, haka.rau plot, plan, scheme N1 器 ki / utsuwa utensil, vessel, receptacle N4 使 shi / tsuka.u, tsuka.i, -tsuka.i, -zuka.i use, send on a mission, order N3 実 jitsu, shitsu / mi, mino.ru, makoto, mino, michi.ru reality, truth, seed N4 験 ken, gen / akashi, shirushi, tame.su, tameshi verification, effect, testing

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information