Yoyo:Teacher,howdoestheseasoncomeintobeing?悠悠:老师,四季是怎么产生的呢?Teacher:Itiscausedbytherevolutionoftheearth,whichisrelatedtothedistancebetweentheearthandthesun.老师:四季是由于地球公转产生的。它和地球离太阳的远近有关。Yoyo:Sodoesdayandnight?悠悠:那 Yoyo: Teacher, howdoestheseasoncomeintobeing? Yoyo: Teacher, how did the four seasons come about? Teacher: Itiscausedbytherevolution of the earth, which is related to thedistancebetweentheearthandthesun. Teacher: The four seasons are due to the Earth’s revolution. It is related to the distance of the earth from the sun. Yoyo: Sodoesdayandnight? Yoyo: That