67.不同种类的恐龙 different kinds of dinosaurs
66.地球上的第一个动物 the first animals on Earth
65.很长时间以前 a long time ago
64.找出更多世界上关于令人惊奇的东西
find out more about amazing things in the world
63.激动地看到如此多的令人惊奇的东西
be excited to see so many amazing things
62.疲劳 be tired
61.一点也不害怕 be not afraid at all
60. 害怕那些奇怪的动物 be afraid of those strange animals
59. 照相 take photos
58.给我们每人一份资料单 give each of us a fact sheet