coactus

例句：

1. 1.The coactus is a rare and valuable species.
   这种植物是稀有且珍贵的物种。
2. 2. The coactus has been used for centuries in traditional medicine.
   这种植物在传统医学中被使用了几个世纪。
3. 3. The coactus is known for its medicinal properties and its ability to purify the air.
   这种植物以其药用特性和净化空气的能力而闻名。