morphology of a perch（河鲈形态）是什么意思？音标发音+图解场景

河鲈形态 /ˈwɜːkə/ n

English: morphology of a perch · 河鲈形态

释义：Perch: bony carnivorous freshwater fish with an oval body and a spiny dorsal fin; its flesh is highly prized.

这个词出现在以下图解场景（1）