Voice production
During voice production, the vocal cords are vibrated by the air flowing out of the lungs.
เกรด 6 - 12
คำหลัก
mozaLink
/ลิงค์เว็บ
During voice production, the vocal cords are vibrated by the air flowing out of the lungs.
เกรด 6 - 12
คำหลัก
mozaLink
/ลิงค์เว็บ