bulbospongiosus

例句：

1. 1. The bulbospongiosus is a rare and endangered species of fish.
   这种鱼是稀有且濒危的鱼类。
2. 2. Thebulbospongiosus has been found inonly a few places around the world.
   这种鱼只在世界上的几个地方被发现。
3. 3. Thebulbospongiosus playsan important role in the ecosystem.
   这种鱼在生态系统中起着重要的作用。