noun🔗Share海蝶, 翼足亚纲. Any of free-swimming pelagic sea snails and sea slugs, of the suborder Thecosomata, that have winglike lobes on the feet; a sea butterfly."While snorkeling in the clear, tropical waters, we saw hundreds of tiny pteropods fluttering through the ocean like little butterflies. "在清澈的热带海水中浮潜时，我们看到了数百只微小的海蝶，它们像小蝴蝶一样在海洋中翩翩飞舞。animaloceanbiologynatureChat with AIVocabulary GamePractice Reading
