noun🔗Share水螅纲动物，水螅虫 A large group of marine animals, of the class Hydrozoa, whose life cycles contain a sexual and asexual stage"During the marine biology field trip, the students learned that hydrozoa like the Portuguese man-of-war, exhibit both sexual and asexual reproduction as part of their complex life cycles. "在海洋生物考察旅行中，学生们了解到像葡萄牙军舰这样的水螅虫，在其复杂的生活周期中，既有有性繁殖也有无性繁殖。organismanimalbiologyoceanChat with AIVocabulary GamePractice Reading
