单词：Quaternary period
[网络] 地第四纪；时代第四纪；第四系
Quaternary period的用法和样例：
例句
- Woolly mammoths died out during the late Quaternary period.猛犸象在第四纪晚期灭绝了。
- The Cenozoic Era is composed of Tertiary Period followed by Quaternary Period.新生代是由第三纪和第四纪组成的。
- quaternary第四纪的
单词：Quaternary period 相关文章
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period------------时期 peculiar---------- 特别的 percent----------百分比 perhaps--------- 大概
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英语口语
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雅思英语