• 1. decline population: 下降型种群
• 2. population decline: 人口不足 | 人口减少 | 种群衰落
• 3. decline in population: 人口减少

更多释义

• 1.That should help us determine how to prevent further decline in the population.
  这将有助于我们确定如何防止人口的进一步下降。
  dict.yoduao.com
• 2.The ISTP team's research demonstrates that the population and job density of cities rose or remained constant in the 1980s after decades of decline.
  ISTP 团队的研究表明，在经历了几十年的衰退后，城市人口和工作密度在20世纪80年代上升或保持不变。
  dict.yoduao.com
• 3.Now even the project's greatest cheerleaders talk of a continent facing a "Bermuda triangle" of debt, population decline and lower growth.
  现在，即使是该计划最大的支持者也在谈论面临债务、人口减少和低增长的“百慕大三角”大陆的话题。
  dict.yoduao.com

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