Hydrozoa

漢語翻譯

英文解釋：

名詞 hydrozoa:

1. coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
   同義詞：class Hydrozoa

名詞 hydrozoan:

1. colonial coelenterates having the polyp phase dominant
   同義詞：hydrozoan, hydroid