trien

例句：

1. 1. The poem has three triplets in its meter.
   这首诗的韵律中有三个三音节。
2. 2.The teacher asked the students to read a triplet of lines from the text.
   老师要求学生们从文本中朗读一行三音节的句子。
3. 3. In poetry, a triplet is a repetition of three syllables with a pause between them.
   在诗歌中，一个三音节是三个音节的重复，中间有停顿。