| 释义 |
population structure
基本例句
人口结构
Teenage girls are an important component part of a nation'spopulation structure.摘要女童是一个国家人口结构中重要的组成部分。
The mining towns of Western Canada were often ephemeral and theirpopulation structurewas dominated by transient male workers of many nationalities.摘要加拿大西部的煤矿城市经常是短暂的，他们的人口结构主要是由许多国家流动性的男性矿工所组成。 |