noun🔗Shareヒドロ虫類Any of many colonial coelenterates, of the class Hydrozoa, including the hydras, hydroids, hydrocorals, and siphonophores."While snorkeling in the shallow reef, we saw a variety of colorful hydrozoans, including some that looked like tiny trees attached to the rocks. "浅いサンゴ礁でシュノーケリングをしていると、岩に付着した小さな木のように見えるものを含め、さまざまなカラフルなヒドロ虫類を見ました。animalorganismbiologyoceanChat with AIVocabulary GamePractice Reading
