名词
中文翻译：元祖时代
同义词：
['primitive age', 'primitive era例句：1. The Xuzhuangian Age was a time of great technological advancements.（元祖时代是科技大进步的时代。）2. The Xuzhuangian Age is often referred to as the Stone Age.（元祖时代通常被称为石器时代。）']
例句：
-
1. The Xuzhuangian Age was a time of great technological advancements.
元祖时代是科技大进步的时代。
-
2. The Xuzhuangian Age is often referred to as the Stone Age.
元祖时代通常被称为石器时代。
-
3.The Xuzhuangian Age is marked by the discovery of fire and the use of tools.
元祖时代以发现火和使用工具为标志。