noun🔗Share海蝶, 翼足亚纲动物。 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 blue water, we saw a tiny, almost transparent pteropod fluttering its wing-like feet as it swam past. "在清澈的蓝色海水中浮潜时，我们看到一只非常小、几乎透明的海蝶，它拍动着翅膀般的足，从我们身边游过。animaloceanbiologynatureorganismfishChat with AIVocabulary GamePractice Reading
