triadKK [ˋtraɪˏæd] /ˈtɹaɪˌæd/發音名詞1三人組、三件一組、三元組The report identifies a triad of problems facing rural schools.這份報告指出鄉村學校面臨的三大問題。2三合會、華人黑幫常大寫Police arrested several men linked to a local triad.警方逮捕了幾名與當地三合會有關的男子。3三和音、三和弦音樂Beginners usually learn to play major triads first.初學者通常先學彈大三和弦。