barrier region

例句：

1. 1.The barrier region is a critical area where the two cultures meet.
   障碍区域是两个文化相遇的关键区域。
2. 2. The researchers found that the barrier region was responsible for the disease's spread.
   研究人员发现，障碍区域是疾病传播的原因。
3. 3. The barrier region is crucial for maintaining biodiversity in the ecosystem.
   障碍区域对于维护生态系统的生物多样性至关重要。