declining population英语标准发音：declining population英式发音：美式发音：翻译中文人口减少declining population - 基本释义[词典1]衰退型种群衰退种群人口下降declining population - WEB词典Declining Population人口下降衰退型种群衰退种群下降的人口declining population its衰退种群population declining数量下降 参考资料： 1.百度翻译：declining population2.有道词典：declining population3.爱词霸：declining population
