第13段

The biosphere consists of the parts of the earth's air,water,and soil where life is found. In effect,it is the global ecosystem in which all living organisms exist and can interact with one another.



生物圈包括地球的部分; 找到生活的空氣、水和土壤。 實際上，它是所有生物存在並且可能互相互動的全球性生態系。