• 2022-06-07
    The narrower the frequency band of sound source, the better its expressive force and the richer its levels.
  • 内容

    • 0

      frequency band

    • 1

      _____, the more expensive the camera, the better its quality.

    • 2

      中国大学MOOC: After _______________, the stretched rubber band will return to its original condition.

    • 3

      The more expensive the medicated diet, the better its efficacy.

    • 4

      In the history of                    Dynasty, silk production entered its prime period, with output and quality both reaching unprecedented levels.