在古代，跟踪全年日出和日落的时间点以预测季节的能力是关系到生存的关键问题。
The ability to predict the seasons - by tracking the rising and setting points of the sun throughout the year - was key to survival in ancient times.
这种陈年古代的悲剧性的占有和敌意说不定早已死去了，但是死去的东西在时间把它们清除掉之前，仍旧是有毒的。
It might be a dead thing, that old tragic ownership and enmity, but dead things were poisonous till time had cleaned them away.
磁极互换每30万年发生一次，每次需要近5000年的时间完成这个过程。 1995年在俄勒冈发现了古代岩浆不寻常的磁场状态。
The magnetic poles swap every 300, 000 years, a process that normally takes up to 5000 years.
他在次日晚上到了那里并在杭州整整呆了4天，在杭州他大部分的时间用来拍摄庙宇和古代雕塑。
He arrived the evening of the next day and spent 4 days in Hangzhou, mostly photographing temples and ancient sculptures.
能够在限定的时间内读懂500-600字左右的短文，比如改编过的中国古代小故事、成语小故事、有趣的生活小故事等等。
Read 500 -600 words passages in a limited time concerning the simple and revised Chinese ancient stories, idiom stories, interesting life stories, etc.
能够在限定的时间内读懂500字左右的短文，比如改编过的简单的中国古代小故事、成语小故事、有趣的生活小故事、简短信件等等。
Read 500 - word passages in a limited time concerning the simple and revised Chinese ancient stories, idiom stories, interesting life stories, short letters, etc.
在古代中国，伟大的艺术家有很多的时间去达到雅致和微妙，因为公众并不那么急于要看到出人意料的新奇之作。
In ancient China, the then distinguished artists were blessed with an abundance of time to achieve elegance and exquisiteness, now that the public was not so much in anticipation of brilliant works.
中国古代随笔的形成时间大致在魏晋时期，其源头则远溯至先秦诸子之文。
The jottings in Ancient China are formed in the time of Wei and Jin Dynasty. Its source can be traced back to the prose of early Qin Dynasty.
能够在限定的时间内读懂500字左右的短文，比如改编过的简单的中国古代小故事、成语小故事、有趣的生活小故事、简短信件等等。
Read 500 -600 words passages in a limited time concerning the simple and revised Chinese ancient stories, idiom stories, interesting life stories, etc.
在中国兴隆洼发现的一支古笛表明：中国古代乐器的出现时间可能比先前推算的还要早3000年。
The discovery of an ancient flute in Xinglongwa, China, has suggested that Chinese musical instruments could be 3000 years older than previously calculated.
在古代，人们怎么看时间呢？
这些资料表明，在中元古代真核生物已大量存在，故其出现的时间要早于1850百万年。
The present materials show that there are a large number of eukaryotes in Middle Proterozoic and the eukaryotes should have appeared earlier than 1850 my. (B. p).
但是在20世纪的大部分时间里的英国，致力于挖掘和研究古代文化遗迹的考古学面临着严峻的问题和局限性。
Yet from most of the twentieth century, the science of archaeology - dedicated to uncovering and studying old cultural artifacts - was faced with serious problems and limitations in Britain.
但是在20世纪的大部分时间里的英国，致力于挖掘和研究古代文化遗迹的考古学面临着严峻的问题和局限性。
Yet from most of the twentieth century, the science of archaeology - dedicated to uncovering and studying old cultural artifacts - was faced with serious problems and limitations in Britain.
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