r and d

r and d の類語

research and development, rule of thumb, experimentation, trial and error, testing, pragmatism, noble experiment, experimental proof, experimental method, experimental design, controlled experiment, control experiment, tentative method, empiricism, experimentalism, trial, hit and miss, cut and try, control, experiment, trying, tentativeness

r and d の言い換えを探すには

r and d（）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。