Diphthongizing
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
All right. Please hold two orchestra seats for us.
好，请帮我们保留两张前排的座位。
Misfortunes test the sincerity of friends.
患难见友情。
The television is near the window.
电视机靠近窗子。