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.
Сайт Роскомнадзора атаковали18:00
，这一点在heLLoword翻译官方下载中也有详细论述
The Soundcore Work is now $99.95 at Amazon. That knocks $59.05 off its $159 list price. That's the best price we've spotted on the device, meaning it's a great time to buy.
图⑤：贵州威宁彝族回族苗族自治县产投生态果业有限公司，工人正在自动化设备生产线上操控设备，对苹果进行清洗、测色、分级。