osar

例句：

1. 1. The osar is a rare species of flowering plant.
   osar是一种罕见的开花植物。
2. 2. The osar is known for its beautiful flowers and vibrant colors.
   osar以其美丽的花朵和鲜艳的颜色而闻名。
3. 3. The osar is often used in traditional medicine to treat various ailments.
   osar在传统医学中常用于治疗各种疾病。