Antarctica has not always been a land of ice and snow. Earth's southernmost continent once was home to rivers and forests full of life. Scientists are using satellite observations and radar imagery to look deep under the ice. The researchers report finding a large ancient landscape buried under...
Antarctica(南极洲) is known for being a vast land of ice and snow, a place too cold for most life. Despite (尽管) this, the continent is slowly starting to turn warm. According to the Guardian, the Antarctic has registered (登记) a new high temperature for the first time on record, ...
You can hear the ice releasing the air bubbles and it sounds like popcorn.你能听到冰山里面产生气泡的声音，听起来有些像爆米花。So we are recording underwater because most of the iceberg is under the surface so this is going to give us a bit of a glimpse.我们要记录一下水下景色，因为冰山...
Penguins spend as much as 75% of their time underwater,looking for food.A Russian man first found Antarctica in1820. Later humans went there to explore. They wanted to know more about the beautiful land. T hey found there is ice and snow all through the year. T he air is very clear...
Antarctica is the land of extremes. It is thecoldest,windiest, andhighest continentanywhere on earth. With an average elevation about 7,544ft/2,300 meters above sea level it is the highest continent. Even though it is covered in ice it receives some of the least amount of rainfall, getting...
These were the types of critters that Schmidt had often seen under the ice shelves near McMurdo. But on another dive, she drove toward ocean instead of land—and encountered something entirely new. Schmidt and an engineer, Dan Dichek, were bleary-eyed from working 21-hour shifts in a race...
根据文章第一段中的Far from the land of Antarctica, a huge shelf of ice meets the ocean. At the underside of the shelf there lives a small fish, the Antarctic cod.(在远离南极大陆的地方,一个巨大的冰架与海洋相接。在冰架的下面住着一种小鱼,南极鳕鱼)及下文对这种小鱼的研究可知,本文主要讲述的...
Life under ice in the perennial ice-covered Lake Glubokoe in Summer (East Antarctica)benthoscontinental Antarcticcyanobacteria matsfreshwater lakeplanktonThis study focuses on hydrological and biotic variables in Lake Glubokoe, which is located in Thala Hills of Enderby Land (East Antarctica). Water ...
Antarctica and Greenland have lost thousands of gigatons of ice in the last 16 years alone. According to new data from NASA, that ice melt has contributed to more than half an inch ofsea level risearound the world. Collectively, Antarctica and Greenland lost more than 5,000 gigatons of ic...
(Placename) a continent around the South Pole: consists of an ice-covered plateau, 1800–3000 m (6000 ft to 10 000 ft) above sea level, and mountain ranges rising to 4500 m (15 000 ft) with some volcanic peaks; average temperatures all below freezing and human settlement is confined to...