请调整浏览器窗口大小或者请使用手机查看!
Ralphie doesn't believe Tim when he tells him that trees can talk, so Ms. Frizzle takes the class to a forest that's louder than it looks.
A little math helps Ralphie make complicated midair calculations when his cousins recruit him to join their high-flying circus act.
Every person and animal poops. But the class isn't convinced that this so-called "brown gold" is as valuable as DA's famous inventor uncle says it is.