population用法口决（population用法）

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population 的用法：

1. The population of a country or area is all the people who live in it. 人口

例：

Bangladesh now has a population of about 110 million.

孟加拉国现有约一亿一千万人口。

例：

...the annual rate of population growth.

…人口年增长率。

2.nIf you refer to a particular type of population in a country or area, you are referring to all the people or animals of that type there. (某种) 人群; 种群

例：

...75.6 percent of the male population over sixteen.

…16岁以上男性人群的75.6％。

例：

...areas with a large black population.

…有大批黑人群体的的各地区。

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