求翻译：中希腊的弗西斯面积只有1650平方公里，却集中了22个城邦，每邦人口不足万人。”[4]这些小国寡民的城邦既无力抵挡各种自然灾害带来的威胁，也无法承受人口增长给土地造成的巨大压力，因此，一旦发展到一定规模，就必须向外宣泄自己过多的能量。于是在前8世纪至前6世纪的二百年间，希腊诸邦掀起了一场波澜壮阔的大殖民运动，其结果是造成一大批新邦的诞生。“据粗略统计，古风时代大约有44个母邦建立了139个子邦，这些城邦就象‘池塘边的青蛙’此呼彼应”。是什么意思？

In Greece Forsyth area of ​​only 1650 square kilometers, has concentrated on the 22 city-states, each state population of less than people. [4], these small country with few people in the city-state is not only unable to resist the threat posed by the various natural disasters, can not withstand the

Greece in the west area of only 1,650 square kilometers, and has concentrated on a 22 city-states, each State population of just under 10,000 people. " [ 4] The population of the city is its inability to withstand the threat of natural disasters, and is also unable to bear population growth to land