population 是什么意思？可数名词，还是不可数名词？

population 是什么意思？可数名词，还是不可数名词？

population是不可数名词n.人口, (全体)居民, 群体We have a growing population and therefore we need more food.我们的人口在增长，因此我们需要更多的食物。The entire population was wiped out by the terrible disease.所有的居民都被可怕的疾病夺去了生命。The main impediment to development is the country's large population.发展的主要障碍是这个国家人口太多。There has been a steady decrease in population in this city.这个城市的人口在持续下降。