umbrella leaf

例句：

1. 1.The umbrella leaf is a rare and valuable plant species.
   雨伞叶是一种稀有且珍贵的植物物种。
2. 2. The umbrella leaf has been used in traditional Chinese medicine for centuries.
   雨伞叶在传统中医中被使用了几个世纪。
3. 3.The umbrella leaf is known for its unique ability to purify the air.
   雨伞叶以其独特的净化空气的能力而闻名。