vital area短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 un.关键部位；军事要区；腹地；🌏关键区域；军事要地；重要地区 However, when the Indian government closed off the area to preserve this ecologically vital area, a major source of daily supplies for the region’s poorest people was closed off as well. 然而，当印度政府为了保护这一重要生态区而封闭了该地区之后，它也中断了当地贫困人口的一项重要日常供应来源。 worldbank