cretaceous的读音 cretaceous中文意思
英音
[krɪ'teɪʃəs]
美音 [krɪ'teɪʃəs]
adj. 白垩的，白垩纪的美音 [krɪ'teɪʃəs]
n. 白垩纪，白垩系
易混淆的单词： Cretaceous
中文词源
Cretaceous 白垩纪的
词源同crayon, 石灰，粉笔。
cretaceous 用法和例句
- That means that our record of balaur is restricted to the very end of the cretaceous .
- 这意味着我们有关巴拉乌尔龙的记录限定于白垩纪的晚期的晚期。
- One confounding factor is that the late cretaceous was also a period of great volcanic activity .
- 令人生疑的一个因素是，白垩纪末期也是个火山剧烈活动的时期。
- Longhu mountain , located in the xinjiang basin , records the geological evolution of the cretaceous period .
- 龙虎山--位于信江盆地，记录了该区域白垩纪时期的地质演化。
- While in australia , she sampled bones from 18 different dinosaurs that lived in the antarctic circle during the early cretaceous period .
- 在澳大利亚，她研究了18种不同恐龙的化石样本，这些恐龙在早白垩纪都生活在南极圈以内。
- That date marks one of five recognised mass extinctions in history ( the end of the cretaceous was another ) .
- 历史公认的5次物种大灭绝事件之一就是以三叠纪末期为标志的（另一次发生在白垩纪末期）。