09/05/01 17:14:06
またお世話になります。
When the two free ends are brought together,the vocal folds can be nearly or completely closed,impreding airflow through the glottis.
09/05/01 17:14:06
またお世話になります。
When the two free ends are brought together,the vocal folds can be nearly or completely closed,impreding airflow through the glottis.