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
Is Miss Zhang in?
张小姐在吗?
Do you really want to know what I think?
你确实想要知道我认为什么吗?
It often rains,sometimes quite heavily. Everything grows very quickly.