Teenage girls are an important component part of a nation's population structure. 摘要女童是一個國家人口結構中重要的組成部分。
The mining towns of Western Canada were often ephemeral and their population structure was dominated by transient male workers of many nationalities. 摘要加拿大西部的煤礦城市經常是短暫的，他們的人口結構主要是由許多國家流動性的男性礦工所組成。
So that's a brief overview of the structure of the company. 那麼這是公司的一個總體結構情況。
The pterosaurs resembled both birds and bats in their overall structure and proportions. 翼龍和鳥類以及蝙蝠在總體結構及比例上很相似。
