Diphthongization
n. [语]二合双元音化,复元音化
🗣️ 情景例句
What happened?
怎么样？
When sorrows come, they come not single spies, but in battalions.
祸不单行。
What about your sister Kate? You didn't come together, did you?
你的妹妹凯特呢？你们不是一起进校的，对不对？