Diphthongs
n. 双元音( diphthong的复数形式 )
🗣️ 情景例句
She has both a good brain and beauty.
她才貌双全。
These clothes are dirty, they need to be washed.
这些衣服脏了，需要去洗。
What was the population of the world in 1950?
1950年世界人口是多少？