This date would make the city nearly as old as the end of the last ice age and pre-dates the earliest recorded city states, found in what is now Iraq, so seems rather unlikely.

这个日期使这座城市与上一个冰河期末一样古老，并且也刷新了史上记载最古老的城市(位于现伊拉克境内)，因此这看起来相当不可能。

youdao

He hopes to drill cores that date back thousands of years at the Chukchi Sea margin, providing a detailed history of interaction between oceanic currents and ice.

他希望，在楚科奇海域能钻探出几千年前的岩心，为了解海洋水流和冰之间相互作用提供详实的历史资料。

youdao

We went ice-skatingu on our first date.

我们第一次约会是去滑冰。

youdao

What they found was that the annual ice loss by this date would be running at about 145 billion tonnes, with the north of the archipelago, on and around the likes of Ellesmere Island, experiencing the greatest retreat.

BBC: Canadian glaciers face 'big losses'

The area is now more likely to become open water each summer, bringing forward the potential date when the summer sea ice will be completely gone.

CNN: Arctic ice to vanish in summer, report says

With 102 holes drilled so far, hundreds of measurements have been made of ice thickness and snow cover over the 243km covered to date.

BBC: Arctic team: 'London, we have a problem'