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单词 Endolabial
释义

Endolabial

英语百科

Roundedness

(重定向自Endolabial)
Compressed rounding (example 1)
Protruded rounding (example 1)
Compressed rounding (example 2)
Protruded rounding (example 2)

In phonetics, vowel roundedness refers to the amount of rounding in the lips during the articulation of a vowel. It is labialization of a vowel. When pronouncing a rounded vowel, the lips form a circular opening, whereas unrounded vowels (also called spread vowels) are pronounced with the lips relaxed. In most languages, front vowels tend to be unrounded, whereas back vowels tend to be rounded. But some languages, such as French and German, distinguish rounded and unrounded front vowels of the same height, whereas Vietnamese distinguishes rounded and unrounded back vowels of the same height. Alekano has only unrounded vowels. In the International Phonetic Alphabet vowel chart, rounded vowels are the ones that appear on the right in each pair of vowels. There are also diacritics, U+0339̹COMBINING RIGHT HALF RING BELOW and U+031C̜COMBINING LEFT HALF RING BELOW, to indicate greater and lesser degrees of rounding, respectively. These 'more' and 'less rounded' diacritics are sometimes also used with consonants to indicate degrees of labialization.

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