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
Are you good at taking photos?
你拍照拍得好吗?
The brightest of all things, the sun, has its spots.
金无赤足,人无完人。
Therefore,we always put quality as the first consideration.