alpine ecosystems

• 高山生态系统

alpine ecosystems的用法和样例：

例句

1. The Mauna Kea summit is a conservation district because it is a fragile and unique alpine ecosystem that serves as a major source of water for the entire island of Hawaii.
   茂纳凯亚峰是脆弱又独特的高山生态系统，并且是整个夏威夷岛的主要水源，因此被列为生态保区。