中国大学MOOC: When the vocal folds are apart, the airstream can go through freely, and the ________ sounds are produced.
举一反三
- 中国大学MOOC: When the vocal folds are apart, the air can pass through easily and the sound produced is said to be voiced.
- What kind of sounds can we make when the vocal cords are vibrating?
- The sounds produced without the vocal cords vibrating are _________ sounds.
- 中国大学MOOC: Vowels are sounds produced by constricting or obstructing the vocal tract at some place to divert, impede or completely shut off the flow of the air in the oral cavity.
- 中国大学MOOC: Vowels are sounds produced without obstruction, so no turbulence or a total stopping of the air can be perceived.