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
Okay, hold on a second. I'll talk to him.
好的,我跟他说,你等一下。
No,I don't understand.
不,我不明白。
As in Australia, the first settlers found many strange birds and animals that exist nowhere else in the world.