真空中虽然无法传递声波和冲击波中文拼音
zhēn kōng zhōng suī rán wú fǎ chuán dì shēng bō hé chōng jī bō
真空中虽然无法传递声波和冲击波
真空中虽然无法传递声波和冲击波拼音生成
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