labiodental consonants造句

• The labiodental consonants ( ?# 侒?" light lip sounds " ) are derived from the bilabial series.
• Although commonly appearing in languages, it is overwhelmingly present non-phonemically, largely restricted to appear before labiodental consonants like and.
• Is quite common, but in all or nearly all languages in which it occurs, it occurs only as an allophone of before labiodental consonants such as and.
• The position of the lips and teeth is generally the same as for the production of the other labiodental consonants, like and, though closure is obviously incomplete for the fricatives.