南极洲位于地球最南端,四周为太平洋、大西洋、印度洋所环抱,面积约1400万平方公里,约占世界陆地总面积的百分之九点四,其中岛屿面积7.55万平方公里。大陆平均海拔2350米,是世界上最高的洲。最高点为玛丽·伯德地的文森山,海拔5140米。南极洲是地球上的酷寒地区,终年为西风寒流包围,气温很低。大陆中部年平均气温为-56℃,极端最低气温曾达-89℃,为世界最冷的陆地。烈 Antarctica is located on the southernmost tip of the earth. Surrounded by the Pacific Ocean, the Atlantic Ocean and the Indian Ocean, Antarctica covers an area of ​​about 14 million square kilometers, accounting for 9.4% of the total land area of ​​the world, of which the island area is 75,500 square kilometers. The mainland average 2350 meters above sea level, is the highest continent in the world. The highest point is Mary Byrd to Vincent Hill, 5140 meters above sea level. Antarctica is a cold region on Earth, surrounded by westerly winds of cold all the year round, with very low temperatures. The annual average temperature in central China is -56 ℃, the extreme minimum temperature has reached -89 ℃, the coldest land in the world. strong