Diphthongized
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
I hope that someday maybe you'll be able to visit my family in Beijing.
我希望将来有一天，你可以来北京到我家里作客。
I'm washing my hair in the bathroom.
我在浴室洗头。
Opportunity knocks but once.
机不可失，时不再来。