问题标题：
【Theworldisf_withmanyinterestingsounds.Wemakesoundsbymakingthingsm_toiscalledvibration.Itmeansmovingupanddownorforwardsandbackwardsveryfast.Thesevibrationscausetheairtovibrate.Thismakessoundwaves.Andtherearediffe】
问题描述：
Theworldisf_withmanyinterestingsounds.Wemakesoundsbymakingthingsm_to
iscalledvibration.Itmeansmovingupanddownorforwardsandbackwardsveryfast.Thesevibrationscausetheairtovibrate.Thismakessoundwaves.Andtherearedifferentk_ofsounds.Somesoundsaresoft,somesoundsareloud.Softsoundsaremadebyw_vibrations,loudsoundsaremadebystrongvibrations.Lowsoundsaremadebyslowvibrationsandh_soundsaremadebyfastvibrations.首字母填空
郭龙祥回答：
1filled(befilledwith)
2move
3kinds
4weak
5high
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