prostomia

prostomia

美 　英

• n.【动】口前叶
• 网络口前部；围口节

词形变化

复数：prostomia  

英汉解释

n.

1. 【动】口前叶

英英解释

n.	1. the part of the head of some worms such as the earthworm that is in front of the mouth