coelenterate

• 指一类辐射对称的水生动物，身体呈囊状，只有一个开口，触手上有刺细胞，生活史中兼具水螅型和水母型。

A noun referring to a radially symmetrical aquatic animal with a saclike body, a single opening, and tentacles bearing stinging structures, occurring in polyp and medusa forms.

1. Radially symmetrical aquatic animalC2formalscientific

   An aquatic invertebrate animal with a saclike body, a single opening, and tentacles armed with stinging cells; it exists in both polyp and medusa forms.

   腔肠动物

   • The jellyfish is a well-known coelenterate found in oceans worldwide.
   • Corals, which are coelenterates, build large reef structures.
   • The biologist studied the life cycle of a coelenterate in the lab.

   同义词cnidarian