mineral cycle

例句：

1. 1. The mineral cycle is essential for the survival of life on Earth.
   矿物循环对于地球上生命的存续至关重要。
2. 2.The study of mineral cycles helps us understand the Earth's history and geology.
   研究矿物循环有助于我们理解地球的历史和地质学。
3. 3. The mineral cycle plays a crucial role in maintaining the balance of the ecosystem.
   矿物循环在维持生态系统平衡中起着关键作用。