1. A region, subject, or field of study that has been thoroughly examined, researched, or analyzed with comprehensive attention to detail
Climate change is a well-investigated area in environmental science.
A mudança climática é uma área bem investigada na ciência ambiental.
2. A geographic location that has been extensively explored or studied by researchers or investigators
The archaeological site is a well-investigated area with decades of documented findings.
O sítio arqueológico é uma área bem investigada com décadas de descobertas documentadas.