The ice extends for hundreds of miles, or kilometers, in a mid-latitude region of Mars called Deuteronilus Mensae.

在火星上被称为德特罗尼鲁斯·门萨的中纬度地区，这些冰河绵延了数百公里。

youdao

In Alaska and the great lakes region of north America winter activities include ice fishing, hunting, cross-country skiing and snowmobiling.

在阿拉斯加以及北美的五大湖地区，冬天的室外活动包括冰上钓鱼，打猎，越野滑雪以及雪地摩托。

youdao

The retreat of the polar ice cap is making the region easier to work in, and there is thought to be lots of oil and gas to tap.

北极冰盖的消融使得在该地区作业较为容易，而且该地区储藏有大量可开发的石油和天然气。

youdao

The Odyssey orbiter first reported in 2001 that the region was rich in water ice, mostly in the form of permafrost.

CNN: Lander grabs Mars water, will see if it's life-supporting

The oldest surviving universities in the world today are in the region, such as Al-Azhar in Cairo, and polymaths from Edward Said to the inventor of ice-cream cones can be traced there.

FORBES: The Arab World Needs (Entrepreneurial) Heroes

Since the 1950s, submarines have measured the thickness of Arctic ice in specific places but never for the entire region.

CNN: Nature - Satellite sees through Arctic ice for signs of climate change