rounded sound

• 圆唇

rounded sound的用法和样例：

例句

1. Its vowel roundedness is rounded, which means that the lips are rounded.
   它的母音圆唇度是非圆唇，表示发音时不需要圆唇。
2. It should be noted that some front vowels can be pronounced with rounded lips.
   圆唇元音。