trio

n. 三重唱

trigonometrically, trigonometry, trike, trilateral, trilaterally, trilby, trilingual, trill, trillion, trillionth, trilobite, trilogy, trim, trimaran, trimmer, trimming, trinitrotoluene, trinity, Trinity Sunday, trinket, trip, trip sb. up, trip-wire, tripartite, tripe, triple, triplet, triplicate, triply, tripod, tripper, tripping, trippingly, triptych, trisect, trisection, trite, triumph, triumphal, triumphant,