基本解釋[心理學(xué)]按年齡分組的人口數(shù)英漢例句雙語例句Due to demographic factors, the German working population will shrink by some 30 percent as the large group of baby boomers reaches retirement age over the coming years.由于人口結(jié)構(gòu)因素，德國的工作人口將萎縮30多%，因為有大量嬰兒潮世代在接下來的幾年將面臨退休年齡。population by age group更多例句專業(yè)釋義心理學(xué)按年齡分組的人口數(shù)