kètáng / shàng / lǎoshī / shìfàn / le / sānyuányīn / de / fāyīn / tóngxué / men / gēnzhe / liànxí

课堂上，老师示范了三元音的发音，同学们跟着练习。

In class, the teacher demonstrated the pronunciation of a triphthong, and the students practiced along.