Diphthongize
vt. (使)二合元音化, 复元音化
🗣️ 情景例句
What are you working on?
你在做什么？
I ate noodles for lunch yesterday.
我昨天午饭吃的是面。
The weather's often cold in North and windy in the East.It's often wet in the West,and sometimes warm in the south.
北部的天气常常寒冷，东部则常常利风。西部常下雨，南部有时则很暖和。