Answer: sort of a high-pitched. They sorta sometimes do sound like children.
Explanation:
<span>私は困惑しているウェブサイトを使用する方法</span>
Improv is when you do something that is not planned or written in the music. For instance a singer can provide improv by doing a run or adding in an extra note or something of that nature. improv is mostly a drama term that is used for an unscripted scene between two or more actors, typically they are given a topic and thrown into a scene with no prep time.
Trachea I think is the answer?