diphthong
n
union of two vowel sounds or vowel letters, eg the sounds in pipe , the letters ou in doubt 二合元音, 复合元音, 双元音(如pipe 中的 音); 复合元音字母(如doubt中的ou). Cf 参看 monophthong.
🗣️ 情景例句
I'd love to, but I have to be up early tomorrow.
我非常感谢,可是明天我得早起。
Man alone is born crying, lives complaining, and dies disappointed.