The saclike cavity within the body of a coelenterate.
体肠腔腔肠动物体内的囊状腔.
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Hu 〕 by a call of the coelenterate coral exoskeleton made together.
◎〔～瑚〕由一种叫珊瑚虫的腔肠动物的外骨骼聚集而成.
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英英释义
Noun
1. radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms