Get ready for adventure 为探险做些准备吧
Climbing the highest mountain 攀登优选峰
Crossing Earth’sdeserts 横穿地球的沙漠
Sailing on bodies of water 水上航行
Exploring the Grand Canyon 探索大峡谷
Visiting the world’s largest islands 游览世界上优选的岛屿
Viewing an active volcano 观赏活火山
The world’s wonders 奇妙的世界
Matching landforms 地形搭配游戏
Glossary 词汇表
Want to know more? 想知道得更多吗？
Index 索引
