Diphthongia
n. [医]复音,双音
🗣️ 情景例句
Yes, we'll be arriving by car about ten o'clock Friday night.
是的， 我们将于星期五晚上十点钟左右开车抵达。
That's your book.
那是你的书。
The sudden barking frightened Clara.
突然的狗叫声吓坏了克拉拉。