noun🔗Share海牛類Any of a group of aquatic, herbivorous mammals, of the order Sirenia, including the manatees and dugong."The marine biologist showed the students pictures of a manatee and a dugong, explaining that both are types of sirenian. "海洋生物学者は生徒たちにマナティーとジュゴンの写真を見せ、どちらも海牛類の一種だと説明しました。animalbiologyorganismenvironmentoceannatureChat with AIVocabulary GamePractice Reading
