active tectonic belt

例句：

1. 1. The active tectonic belt is responsible for the formation of mountains and valleys.
   活动构造带是形成山脉和山谷的原因。
2. 2. The active tectonic belt is a major factor in the evolution of the Earth's crust.
   活动构造带是地球地壳演化的主要因素。
3. 3. The active tectonic belt is also responsible for the movement of tectonic plates.
   活动构造带也是板块运动的原因。