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几万年
1、hundreds of thousands of───几十万；无数；几十万，无数
2、thousands of───许多，无数；数以千计的……，成千上万的……；数千的
3、tens of───成十上百的；数十
4、thousands of words───千言万语
5、thousands of roots───千根
6、thousands of times───几千遍; 千遍万遍; 无数次; 千万倍
7、hundreds of thousands───成千上万
8、tens of thousands of───成千上万；数以万计；千百万; 千千万万; 成千上万
9、adorning thousands of───装饰成千上万
1、So he took a big step, like maneuvering toward the West chasing go, thousands of tens of thousands of years is a blink of an eye.───于是他跨出大步，风驰电掣般朝西方追去，转眼就是几千几万里。
2、If she is right, it would push back the date of the creative explosion by tens of thousands of years.───如果她是对的，那么创造爆发的时间就会向前推数万年。
3、Planetary nebulae fade away gradually over tens of thousands of years.───行星状星云在数万年间逐渐衰老。
4、I take what worked for tens of thousands of years throughout human prehistory and incorporate contemporary science to confirm its veracity.───我使用经过上千年证明有用的史前时代的方法，并用现代科学证明其有效性。
5、Reading University researchers claim "I" , "we" , "two" and "three" are among the most ancient, dating back tens of thousands of years.───雷丁学的研究人员认为，“我”、“我们”、“二”和“三”是英文中最古老的词汇，它们的历史可以追溯到四万年前。
6、They lived on the earth tens of thousands of years ago, long before humans came into being.───千百万年前，恐龙就在地球上生活，必人类的出现要早得多。
7、For tens of thousands of years, a natural dam between present-day Morocco and the Rock off Gibraltar held the waters of the Atlantic bay.───从前后文的意思来看，还应该是off：摩洛哥和直布罗陀之间的天然大坝将大西洋海湾的海水拒之门外。
8、The mammoth hunting culture appears to have thrived for tens of thousands of years.───数千年来，猛犸狩猎文化似乎繁荣不息。
9、For tens of thousands of years human beings relied on oracles, prophets, medicine men, and resignation to try to manage unknown risks.───几千年来，人们依赖神谕、先知、药师和顺从去试著处理未知的危机。
1、For tens of thousands of years the creative power of the divine female body dominated spiritual awareness.
2、Cuneiform was the first known form of written language, but spoken language is believed to predate writing by tens of thousands of years at least.
3、Planetary nebulae fade away gradually over tens of thousands of years.
4、Australian climatologist Will Steffens argued that climate change caused by human activity will fundamentally alter the air, land and oceans for tens of thousands of years.
5、The waste, accumulated over a 40-year period, will remain dangerously radioactive for tens of thousands of years.
6、Middle Paleolithic people seem to have made mostly the same relatively simple stone tools humans had been producing for tens of thousands of years and not much else.
7、Everyone was living off tens of thousands of years of accumulated groundwater, like a spendthrift heir squandering his wealth.