Hirudo nipponica

例句：

1. 1. Hirudo nipponica is a type of water snail found in Japan.
   日本水蛭是一种在日本发现的水蜗牛。
2. 2. Hirudo nipponica is commonly used as an anticoagulant in traditional Japanese medicine.
   日本水蛭常用于传统日本医学中的抗凝血剂。
3. 3. Hirudo nipponica can be found in the mudflats and ponds of Japan, where it feeds onsmall fish and crustaceans.
   日本水蛭可以在日本的泥滩和池塘中找到，它以小鱼和小甲壳类为食。