南天极

例句：

1. 1. The southern hemisphere is home to many unique species of plants and animals.
   南半球有许多独特的植物和动物种类。
2. 2. The southern hemisphere is often referred to as the "rainbow continent" due to its diverse ecosystems.
   南半球因其多样的生态系统而常被称为“彩虹大陆”。
3. 3. The southern hemisphere has a significant impact on global climate patterns.
   南半球对全球气候模式有显著影响。