2025-10-08 00:33:56 浏览次

demographer是什么意思 英[dɪ'mɒɡrəfə(r)] 美[dɪ'mɒɡrəfə(r)] n. 人口统计学家n. a scientist who studies the growth and density of populations and their vital statisticsdemographer的用法和双语例句1. Th...