plate boundary

例句：

1. 1. The plate boundary is a critical factor in the formation of earthquakes.
   板边界是形成地震的关键因素。
2. 2. The researchers found that the plate boundary was responsible for the seismic activity in the area.
   研究人员发现，板块边界是该地区地震活动的原因。
3. 3. The plate boundary is an important topic in geology and geophysics.
   板块边界是地质学和地球物理学的重要课题。