查询词典 decrease in population

demographer：人口学家

demography 人口学 | demographer 人口学家 | population theory 人口理论

demographic trend：人口分布发展趋向

democratization 民主发展;民主进程 | demographic trend 人口分布发展趋向 | departure from the population quota 偏离人口配额

demology：族群遺傳學

族群生長動態 dynamics of population growth | 族群遺傳學 demology | 族葉楠 Actinodaphne confertifolia Gamble;Litsea confer-tifolia Hemsl.

dense population：人口密集

Collusion between government and businessmen 官商勾结 | Dense population 人口密集 | Deforestation 过度伐林

dense population, densely populated：人口稠密

14. scarcity value物以稀为贵 | 15. dense population, densely populated人口稠密 | 16. be particular about sth.对. . 挑剔

This area features a dense population：这个地区的特点是人口密集

2. dense: adj. closely packed or crowded together 密集的... | This area features a dense population. 这个地区的特点是人口密集. | There are many wild animals in the dense forest nearby. 在附近茂密的森林...

An area with a dense population (A densely populated area)：人口密集的地区

An area with a dense population (A densely populated area) ;人口密集的地区 | is a breeding place for infectious disease. ;是传染病发生的地方. | vast a.广阔的,辽阔的; 巨大的,大量的

Dental：齿骨

density of population 人口密度 | dental 齿骨 | dental alveolus 齿槽

dependency benefit：扶养补助金

dependency allowance and education grants;扶养津贴和教育补助金;; | dependency benefit;扶养补助金;; | dependency population;受扶养人口;;

desperation：以及大规模的人口迁移都会减少

Refugee movements.|绝望的情绪 | Desperation.|以及大规模的人口迁移都会减少 | Actually slow the population growth.|人口增长也会减缓

the bird of wonder：凤凰;长生鸟

the bird of peace鸽子 | the bird of prey 猛禽 | the bird of wonder凤凰;长生鸟

flange rail：平底轨条

"凸缘皮带轮","flange pulley" | "平底轨条","flange rail" | "凸缘肋","flange rib"