uncinaria

例句：

1. 1. Uncinaria is a type of leech that feeds on blood.
   水蛭是一种以血液为食的吸血动物。
2. 2. The uncinaria was found in the river, and it was believed to be dangerous.
   在河里发现了一种水蛭，人们认为它很危险。
3. 3. The uncinaria has been used in traditional medicine for its anti-inflammatory properties.
   水蛭在传统医学中因其抗炎特性而被使用。