...if we did not have air ,there would be no sound because sound travels through air對(duì)劃線部分提問
...if we did not have air ,there would be no sound because sound travels through air對(duì)劃線部分提問
sound because sound travels through air提問
sound because sound travels through air提問
英語(yǔ)人氣：295 ℃時(shí)間：2020-03-01 06:16:40
優(yōu)質(zhì)解答
如果沒有空氣就不會(huì)有聲音,因?yàn)槁曇舻膫鞑バ枰钥諝鉃榻橘|(zhì).
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