zài / jiè shào / Wéi yě nà / gǔ diǎn / yīn yuè / shí / lǎo shī / bō fàng / le / Shī tè láo sī / de / zuò pǐn / bìng / jiǎng jiě / le / yuán wǔ qǔ / de / jié zòu

在介绍维也纳古典音乐时，老师播放了施特劳斯的作品，并讲解了圆舞曲的节奏。

While introducing Viennese classical music, the teacher played a work by Strauss and explained the rhythm of the waltz.