subalpine flora

例句：

1. 1. The subalpine flora is a unique ecosystem that supports avariety of plant and animal species.
   亚高山植物是一个独特的生态系统，支持着各种植物和动物物种。
2. 2. In the subalpine region, the air is thinnerand the temperature is lower, making itdifficult for humans to survive.
   在亚高山地区，空气稀薄，温度较低，对人类来说生存困难。
3. 3. The subalpineflora plays an important role inmaintaining the ecological balance of the mountainousregions.
   亚高山植物在维护山区生态平衡方面起着重要作用。