释义 |
珊瑚虫shānhúchóng腔肠动物,身体呈圆筒形,有8个或8个以上的触手,触手中央有口。多群居,结合成一个群体,形状像树枝。骨骼叫珊瑚。产在热带海中。{actinozoan (Anthozoa); coral polyp; tropical marine coelenterate having a body in the shape of a cylinder, and eight or more tentacles surrounding a mouth, chiefly colonial and forming a colony in the shape of tree branches whose calcareous skeleton is known as coral} |