大家都搜：
几千年前
1、A thousand───一千
2、in a few years───三年五载
3、few years───没几年
4、thousand years───千年
5、thousand years lyrics───千年歌词
6、little a little few a few───一点一点几点
7、a few times───几次
8、thousand───n.一千；一千个；许许多多
9、A few───少许， 少数; 一点点; 些许；一些；几个
1、But occasionally this dipole field switches polarity north and south reverses, and this process seems to take a few thousand years.───但是偶尔这偶极场会转换极性――南极和北极倒转，这个过程似乎需要几千年的时间。
2、The planet was practically covered in ice just a few thousand years ago.───几千年前，地球几乎全部被冰覆盖。
3、It was interrupted by brief warmings – interstadials – none of which lasted more than a few thousand years.───它被一次短暂的变暖过程打断，也就是间冰段，这个过程只持续了几千年。
4、This marks precisely—to within a few thousand years—the point of mass extinction on the land.───这明确标志着正是在这几千年中，发生了陆地上的大规模灭绝。
5、By contrast, the total human population on Earth was no more than a few million until a few thousand years ago.───相比之下，直到几千年前为止，地球上的人口不过区区数百万。
6、In China, fresh ginger as a medicine used along with the plant to a few thousand years of history.───在中国，用新鲜的姜和别的植物来入药已经有几千年的历史了。
7、Money has been around for only a few thousand years, but our ancestry goes back millions of years.───货币的使用历史只有几千年，而我们祖先在地球上已经生活了几百万年。
8、We could clear all the jungles, but a jungle can regrow over a few thousand years.───我们能够砍光所有的雨林，但雨林会在千年后重新生长。
9、For just a few thousand years, the Sahara, Sinai and Arabian deserts were lush and green.───曾经数千年内，撒哈拉、西奈还有ALa伯半岛的沙漠变得葱葱郁郁。
1、The instantaneous release from an impact would potentially kill off species in a few thousand years.
2、They are recent arrivals, for the whole country was covered by ice until a few thousand years ago.
3、The reversal takes a relatively short amount of time , geologically speaking, only a few thousand years.
4、Historical records extend only a few thousand years, a time span that is still inadequate to treat slow geologic processes.
5、Maybe after a few thousand years of marmot for breakfast, dinner and tea they fancied a change.