lǎo / shī / ràng / wǒ / men / yòng / Wàn / guó / Yīn / biāo / biāo / zhù / zhè / xiē / dān / cí / de / fā / yīn

老师让我们用万国音标标注这些单词的发音。

The teacher asked us to use the International Phonetic Alphabet to mark the pronunciation of these words.