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The sun is a giant nuclear fusion reactor, converting hydrogen into helium and releasing massive amounts of energy in the form of heat – and sound. Sound is essentially vibration and needs a medium to travel through.，详情可参考Line官方版本下载
。爱思助手下载最新版本对此有专业解读
Appendix I: Candidate Sorting。业内人士推荐夫子作为进阶阅读
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