研究室で実験した

N4 研究室 kenkyuushitsu laboratory, research room, professor’s office N3 実験 jikken experiment, laboratory work

N4 研 ken / to.gu polish, study of, sharpen N4 究 kyuu, ku / kiwa.meru research, study, recherche N4 室 shitsu / muro room, apartment, chamber 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 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context