n.[动]蛞蝓；文昌鱼
Amphioxus swimming to spiral way forward. 文昌鱼游泳时以螺旋形方式前进。
A total of 12 kinds of Amphioxus. 文昌鱼共有12种。
Amphioxus is suitable for the warmth of the sea animals. 文昌鱼是适合在温暖海中的动物。
Amphioxus the male and female body shape of the same, but different gonad. 文昌鱼的雌体与雄体外形相同，但生殖腺不同。
Amphioxus body by the rapid movement and drilling holes in the ocean floor. 文昌鱼藉身体的迅速运动而在洋底钻洞。
Amphioxus not buoyancy organ, so when Chenla stop swimming underwater. 文昌鱼不具浮力器官，所以停止游动时即沉落水底。
