Diphthongizing
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
and I promised to have lunch with both of them today.
我答应今天和他们共进午餐。
I certainly didn't intend to cause you so much inconvenience.
我当然不打算引起你如此多的不方便。
Yes. I suggest taking a lot of vinegar.
是的。我建议多带些醋。