Parent population
[计] 母体
🧩 词语组成解析
parent
['pɛərənt]
n. 父亲（或母亲）;先辈;根源，起源;保护者;
🗣️ 情景例句
The global economy helps make the world smaller and smaller.
在全球经济的推动上，世界变得越来越小。
Well, it's a possibility.
有可能。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，