![The Northern Lights英语阅读]( "The Northern Lights英语阅读")
- TheNorthernLightsThesunisstormyandhasitownkindofweather.ItissohotandactivethateventheSun’sgravitycannotholditsatmosphereincheck!EnergyflowsawayfromtheSuntowardtheEarthinastreamofelectrifiedparticlesthatmoveatspeedsaroundamillionmilesperhour.Thesepar...
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