- 重点词汇
- 史前
prehistory; prehistoric times; ancient times
- 动物
animal; creature; beast; fauna; denizen; critter; zoological
- 恐龙
dinosaur
- 世界
world; globe; earth; universe; creation; worldwide; internationally; geo-
- 探险
explore; go on an expedition; go on an adventure; venture into the unknown; adventure; exploration; expedition; adventurous; exploratory; expeditionary