n.二合元音，复元音，双元音，双元音字母组合

原形：diphthong复数：diphthongs

She pronounced the word 'suite' with a perfect diphthong.
她发出了"suite"这个词的完美双元音。
In 'bicycle,' the 'i' and 'c' form a diphthong."
"bicycle"这个词中的"i"和"c"形成了一个双元音。
The pronunciation of 'toe' and 'too' is an example of a vowel diphthong."
"toe"和"too"的发音是元音双元音的一个例子。
The French word 'maison' has a diphthong between the 'a' and 'u' sounds.
法语单词"maison"中"a"和"u"之间的发音是一个双元音。
In the word 'cot' the 'o' and 't' create a diphthong."
"cot"这个词中的"o"和"t"形成了一个双元音。
The sound in 'light' that starts with 'l' and changes to 'igh' is a diphthong."
"light"这个词中以'l'开始并变成"igh"的发音是一个双元音。
The American accent often pronounces 'through' with a diphthong, as in 'thru.'"
美式口音经常在"through"这个词中发出双元音，如"thru"。
The word 'sail' contains a vowel diphthong: 'ai' sound."
"sail"这个词包含了一个元音双元音："ai"音。
The 'ou' in 'soup' forms a diphthong, which is different from the 'oo' in 'book.'"
"soup"中的"ou"形成一个双元音，与"book"中的"oo"不同。
In the word 'music,' the 'i' and 'c' together make a diphthong."
"music"这个词中的"i"和"c"组合形成一个双元音。