The population within these developing countries is now increasing at average growth rate of 2% annually, and the growing speed will last to the mid of next century.

这些国家的人口目前正以年均近2％的速度增长，而且预计这种增长速度将保持到下个世纪中页。

youdao

The population within these developing countries is now increasing at average growth rate of 2% annually, and the growing speed will last to the mid of next century.

这些国家的人口目前正以年均近2％的速度增长，而且预计这种增长速度将保持到下个世纪中页。

youdao