When the vocal folds are apart, the air can pass through easily and the sound produced is
Of the three cavities, pharynx cavity is the most variable and active in amplifying and modifying speech sounds.(北二外2007研)
In the African language Manika, the affix, the meaning of which is similar to that of the
English consonants can be classified into two categories: voiced and voiceless consonants.(对外经贸2006研)