- 基本解释：白垩纪
- cretaceous period 是什么意思及中文翻译：
- 白垩纪
cretaceous period 相关例句更多>
- The age is the Cretaceous period.
这六种和平共处的恐龙所生的蛋的时代都属白垩纪。
- The story takes place 6500 years ago in the Cretaceous period.
故事发生在6500万年前得白垩纪晚期。
- But I surprised. Is this hedgehog from the Cretaceous period !
还好不疼难道这只刺猬是白垩纪来的？
- From the view of stratigraphy, they all belong to the Cretaceous period.
从地层学上看，它们都属于白垩纪。
- Xixia ruins belong to the Cretaceous period dinosaur rift sedimentary basin.
西峡恐龙遗址属于白垩纪断陷盆地沉积。
- This clam fossil is from the Cretaceous Period, approximately 100 million years ago.
这个蛤化石来自大约一亿年以前得白垩纪时期。
- As fossil evidences show,the fossil of taxus were found in the upper Cretaceous period.
根据化石研究表明，红豆杉科得化石发现于上白垩世。
- It developed into a lake basin by the subsidence of the earth's crust in the early Cretaceous period.
新第三纪湖盆被挤压回升, 形成单斜断块山。
- Depositional characteristics and geomorphological development of red stratum of the Cretaceous period in the Xiuning Basin
休宁白垩系红层盆地的沉积特征和地貌发育
- a large carnivorous dinosaur of the Upper Cretaceous Period of North America,characterized by small forelimbs and a large head
上白垩纪北美洲的一种大型食肉恐龙，前肢小且头大
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