tercet

美 [ˈtɜːrsɪt]英 [ˈtɜːsɪt]

tercet

noun

technical 术语同韵三行诗节；相邻三行押韵诗节
a group of three lines of poetry that rhyme with each other or with the three lines before or after it

noun

the cardinal number that is the sum of one and one and one: Synonym: three 3 III trio threesome tierce leash troika triad trine trinity ternary ternion triplet terzetto trey deuce-ace

数据来源：WordNet

1

During piano playing and teaching , we should pay attention to rhythm changing of formal or informal rhythm , strong or weak beat , syncope or link line tercet or various slur .

在钢琴教学及演奏中，要注意正规节奏与不正规节奏、强起拍与弱起拍、切分音与连结线、三连音及各种连音符等节奏的变化。