34.19世纪，美洲人口飞速增长，增幅超过了300%。
In the 1800s, America experienced an explosive population growth and the growth rate exceeded 300%.
35.我们看到，美国人口从5500万增长到了1.3亿，增幅超过任何一个欧洲国家。
We find that the US population increased from 55 million to 130 million, a growth rate higher than that of any European country.
