source region

• 源地

source region的用法和样例：

例句

1. This study has investigated the region for the epidemic area of tsutsugamushi disease.
   本研究对该地区恙虫病疫源地进行全面研究。
2. As the direct potable water source in Jintan City, Qianzidangdistrict is in the later stage of mesotrophication upon the recent monitoring data.
   钱资荡是金坛市目前直接饮用水源地，根据环境监测结果，它已处于中营养化后期。