| 单词 | demographer | 
| 释义 | demographer听听怎么读 
                            英 [d?'m?ɡr?f?(r)]
                         
                            美 [d?'m?ɡr?f?(r)]
                         是什么意思 人口统计学家; 变形复数:demographers 英英释义demographer[ di:'m?ɡr?f? ]
 学习怎么用 双语例句用作名词(n.) 
 权威例句A Portrait of Unauthorized Immigrants in the ...Net Migration from Mexico Falls to Zero—and Perhaps LessTrends in Unauthorized Immigration: Undocumented Inflow Now Trails Legal Inflow1. Unauthorized Immigrants and Their U.S.-BornWhy evolutionary biologists should be demographers.The Future of Human Longevity: A Demographer's PerspectiveWhat makes a scientific article influential? The case of demographersExplaining Family Change and Variation: Challenges for Family DemographersA Demographer Looks at American FamiliesDemographers and Their Journals: Who Remains Uncited After Ten Years? | 
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