【旅游微知识之一】世界上面积最大的洲是亚洲，总面积为4400万平方千米。
The largest continent in the world is Asia ，with a total area of 44 million square kilometers
世界上面积最小的洲是大洋洲，总面积约890万平方千米。
The smallest continent in the world is Oceania with a total area of about 8.9 million square kilometers.
世界上海拔最高的洲是南极洲，平均海拔2350米。
The highest continent in the world is Antarctica, with an average elevation of 2350 meters.
世界上海拔最低的洲是欧洲，平均海拔约300米。
The lowest continent in the world is Europe, with an average altitude of about 300 meters.
