lǎoshī / tōngguò / fēnxī / zuòpǐn / xiàng / wǒmen / jiǎngjiě / le / zòumíngqǔshì / de / jiégòu / tèdiǎn老师通过分析作品,向我们讲解了奏鸣曲式的结构特点。The teacher explained the structural features of sonata form to us by analyzing the work.