demographist

基本解释

• n.人口学家；人口统计学家

同根派生

英汉例句

• It is concerned that the problem of population carrying capacity and demographist had proposed the different maximum of the population carrying capacity.
  摘要对于地球的人口容量问题，人口学者曾做过许多尝试，并提出了不同版本的人口容量阙值。