noun🔗Shareヒドロ虫類Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan"The marine biologist pointed out the delicate, branching structures of the hydroids attached to the pier, explaining that they were colonies of tiny, individual animals. "海洋生物学者は、桟橋に取り付けられたヒドロ虫類の繊細で分岐した構造を指摘し、それらが小さな個々の動物のコロニーであることを説明しました。organismanimalbiologyoceanChat with AIVocabulary GamePractice Reading
