常見(jiàn)例句Arowanas only owned simplest “I” -type epipleurals, another type one-end-bifork epineurals was found in pike eel, meanwhile several simple-type epipleurals appeared. 雙須骨舌魚衹有形態(tài)最簡(jiǎn)單的“I”形髓弓小骨，沒(méi)有脈弓小骨； 返回 epineurals