populations
populations — 名詞
- populationssingular
- populationsesplural
1. Every person residing within a specific nation, city, or other geographic region
人口
某地區的全部居民
Every person residing within a specific nation, city, or other geographic region, seen as a single body.
The populations of both cities grew after the new railway was built.
新建鐵路後，這兩座城市的人口都增加了。
populations of + [plural places] for comparing areas
Diya compared the populations of the ten largest countries in Asia.
Diya 比較了亞洲人口最多的十個國家。
Japan's population has been getting smaller for many years.
日本的人口多年來一直持續減少。
Small towns in this area often have populations of fewer than five thousand people.
這個地區的小鎮人口往往不到五千人。
The population of this island is around three hundred thousand.
這座島嶼的人口大約有三十萬。
- inhabitants
more formal; focuses on the individuals residing there
- residents
everyday term for people living in a place
- citizens
specifically refers to people with legal membership in a country or city
文法句型
population of + [place]
plural: populations + verb (when comparing areas)
用法筆記
The singular form "population" refers to one place's total residents; the plural "populations" is commonly used when comparing or discussing multiple areas together.
常見錯誤
2. A group of living things of a specific kind that share one particular place, oft
族群
特定種類的人或動物群體
A group of living things of a specific kind that share one particular place, often distinguished from the total number of residents by a shared characteristic.
The deer population in this forest has doubled since 2010.
這片森林裡的鹿群數量自 2010 年以來已經翻倍。
[animal] + population — describing a species group
Kemi works with homeless populations in large cities across the region.
Kemi 協助該地區各大城市的遊民族群。
homeless populations — human subgroup described by adjective
Bird populations along the coast are threatened by new buildings.
沿海地區的鳥類族群正受到新建築的威脅。
The student population at the university comes from over fifty countries.
這所大學的學生族群來自超過五十個國家。
Doctors worry about the health of elderly populations in rural areas.
醫生擔憂鄉村地區老年族群的健康狀況。
- community
broader term that also suggests social interaction among the group
- group
more general and less formal
- species population
used for animals — specifies the biological group
文法句型
[adjective/noun] + population(s)
用法筆記
Usually preceded by an adjective or noun that specifies the type of group, such as "deer population," "student population," "elderly population," or "bird populations." Unlike sense 1, this sense is always countable.
常見錯誤
3. In statistics and research, the entire collection of individuals, objects, or me
母體
統計學中抽樣的完整群體
In statistics and research, the entire collection of individuals, objects, or measurements that a study investigates, from which a sample may be selected.
The researcher chose a population of two thousand adults for the survey.
研究人員選了兩千名成年人作為調查的母體。
population of + [number] + [group] — defining the study group
In statistics, the population includes every member of the group being studied.
在統計學中，母體包含研究對象中的所有成員。
Tara's sample must truly represent the whole population of factory workers.
Tara 的樣本必須確實代表全體工廠工人的母體。
The populations studied in the report were women over fifty who exercise regularly.
報告中研究的母體是五十歲以上且有規律運動習慣的女性。
If the target population is too large, researchers take a smaller sample instead.
如果目標母體太大，研究人員就會改採較小的樣本。
- universe
synonymous in statistical contexts, though less common in everyday research writing
- sampling frame
more specific — the list from which the sample is actually drawn
- sample
the subset actually measured, drawn from the population
文法句型
population of + [group]
study population
target population
用法筆記
Technical term in statistics and academic research. The singular "population" refers to one complete group; the plural "populations" is used when a study examines multiple distinct groups. Commonly contrasted with "sample," which is a subset drawn from the population.