| 释义 |
qī不同科、属的一群软体动物的统称。这类动物的背壳隆起,略呈圆锥形,没有螺旋纹。生活在海边礁石上,吃浮游生物和藻类。{general term for mollusk; invertebrate having a soft body protected by a hard shell that looks somewhat like a taper and does not have a spiral pattern, inhabiting offshore reefs and feeding on planktons and algae} |