你即將離開本站

並前往https://sciencing.com/sound-definition-types-characteristics-frequencies-13721568.html

Sound: Definition, Types, Characteristics & Frequencies

Sound is a type of mechanical wave or an oscillation of matter. When a sound wave propagates through a medium, such as air, ...

確定！ 回上一頁

查詢 「What is sound」的人也找了：

  1. What is sound
    2.
  2. sound中文
    3.
  3. What's sound
    4.
  4. Sound wave
    5.
  5. Different sound
    6.
  6. Dr binocs what is sound
    7.
  7. Light and sound
    8.
  8. Echo sound
    9.