树上有只怪汽球学校坐落在大山外,每天上学放学,泉子都得翻两道山岭。那天傍晚,一场暴风雨之后,泉子背起书包拼命往家跑,翻过第一道山岭,穿过那片榉木林时,听见一个奇怪的声音在耳边响,嗡嗡的:“泉子,泉子,快救我!” There is a strange balloon school on the tree, which is located outside the mountains. Every day we go to school and the springs have to turn two mountains. In the evening that evening, after a storm, the springer took his bag and went desperately to run home. When he crossed the first mountain, he heard a strange voice ringing in his ears as he walked through the forest. Hey: “The spring, Spring, save me!”