Diphthongia
n. [医]复音,双音
🗣️ 情景例句
Your work is brilliant.
你的作品很好。
When will he come to see you?
他什么时候来看你？
I'm very sorry. I borrowed a book from the library two weeks ago.
“很对不起。两周前我从图书馆借了一本书。