暑假里,我跟爸爸妈妈一起去了美丽的四姑娘山。那里有一个美丽的传说,有四个心地善良的姑娘,为了守护那片美丽的土地和可爱的村民,就变成了四座美丽的山峰,那就是“四姑娘山”。虽然是夏天,但四姑娘山上真的好冷,妈妈把所有随身带的衣服都给我穿上了,可我还是觉得挺冷的。你知道我拿什么上山吗?一包薯片!可是你见过这么鼓的薯片包装袋吗?我告诉你吧,因为四姑娘山海拔很高,所以山上的气压很低,薯片包装袋里的气压相对较高,所以包装袋就膨胀起 Summer vacation, I went to the beautiful Siguniangshan with my mom and dad. Where there is a beautiful legend, there are four kind-hearted girl, in order to guard the beautiful land and lovely villagers, it becomes four beautiful peaks, that is, “Siguniangshan.” Although summer, but Siguniangshan really cold, my mother put all the clothes to bring me to wear, but I still feel very cold. Do you know what I take up the mountain? A packet of crisps! But have you ever seen a drum bag like this? I tell you, because Siguniang Mountain is very high above sea level, so the pressure on the mountain is very low. The pressure inside is relatively high, so the bag expands