terzetto英美网络 三重唱; 三重奏; 中提琴三重奏; 中提琴三重奏曲英英释义nounthe cardinal number that is the sum of one and one and oneSynonym:three3IIItriothreesometierceleashtroikatriadtrinetrinityternaryterniontriplettercettreydeuce-ace
