地壳

例句：

1. 1. The Earth's crust is made up of rocks and minerals.
   地球的地壳由岩石和矿物组成。
2. 2. The scientists are studying the movement of the Earth's crust.
   科学家们正在研究地球地壳的运动。
3. 3. The earthquake caused a rupture in the Earth's crust.
   地震导致地球地壳破裂。