centronema

例句：

1. 1.Centronema is a rare plant that grows in the rainforests of South America.
   小虫草是一种生长在南美洲雨林中的罕见植物。
2. 2. The medicinal properties of centronema have been studied for decades, but its true benefits are still unknown.
   小虫草的药用性质已经研究了几十年，但其真正的好处仍然未知。
3. 3. Centronema has been used as a natural remedy for various ailments by indigenous peoples for centuries.
   小虫草被土著人民使用了几个世纪作为各种疾病的自然疗法。