actinal 的定义
Zoology.
- having tentacles or rays.
 - pertaining to the oral area from which the arms or tentacles radiate.
 
更多actinal例句
- It is situated on the actinal or ventral surface of the future starfish, and is related to the left peritoneal vesicle.
 - The plane of the actinal surface at first meets that of the abactinal at an acute or nearly right angle.
 - The larval mouth is transported into the centre of the actinal disc.