adj.向后弯曲的，后屈的，反曲的，卷舌的
n.【语】卷舌音

The retroflex sound in the word 'knee' is often difficult for non-native speakers to pronounce.
这个词中的"retroflex"声音常常让非母语者难以发音。
In some languages, like Hindi and Sanskrit, retroflex consonants are common.
在一些语言中，如印地语和梵语，retroflex辅音很常见。
The tip of the tongue curls back towards the roof of the mouth when pronouncing retroflex sounds.
发音retroflex声音时，舌头的尖端会向口腔的顶部卷曲。
The retroflex 'r' sound in French is different from the 'r' sound in English.
法语中的retroflex 'r' 音与英语中的'r' 音不同。
Retroflex vowels are not found in English, but they are present in some other languages.
英语中没有retroflex元音，但其他一些语言中有。
The retroflex 't' sound in Tamil is very distinct and can be challenging for learners.
泰米尔语中的retroflex 't' 音非常独特，对学习者来说可能具有挑战性。
In many Indian languages, retroflex sounds are used to differentiate between words that have similar spellings but different meanings.
在许多印度语言中，retroflex声音被用来区分拼写相似但意思不同的单词。
The retroflex 'd' sound in Marathi is quite strong and pronounced with a lot of force.
马拉地语中的retroflex 'd' 音很强，并且用很大的力量发出。
Retroflex sounds can sometimes be confused with dental sounds because of their similar placement in the mouth."
retorflex声音有时可能与齿音混淆，因为它们在嘴里的位置相似。
The use of retroflex sounds in language can vary depending on dialect and regional pronunciation.
语言中retroflex声音的使用可能会根据方言和地区发音而有所不同。