基本解释鱼类区系同根派生 piscifauna相关词英汉例句ichthyofauna Fish life of a region, fish fauna. The synonym piscifauna is less commonly applied. 鱼类相鱼动物相，一个区域的鱼类。同样的称呼是鱼类区系，通常更不被使用的。piscifauna更多例句