round
ness
1
2
3
圆度, 圆形性质
the quality of being round numbers
4
圆度, 圆唇性
a feature of vowel sounds in phonetics that describes the shape and position of the lips during their articulation, indicating whether the lips are rounded or unrounded
Roundness refers to the shape of the lips when producing certain vowel sounds. In phonetics, vowels can be classified as rounded or unrounded based on whether the lips are rounded or not during articulation. Rounded vowels, such as the "o" in "go" or the "u" in "blue," involve the lips being rounded and protruded. In contrast, unrounded vowels, like the "a" in "cat" or the "i" in "sit," are produced with the lips in a neutral position. Roundness is important in phonetics because it affects the quality of vowel sounds and can help differentiate between words in various languages.