noun🔗Share双壳贝类, 双壳纲动物 Any mollusc belonging to the taxonomic class Bivalvia, characterized by a shell consisting of two hinged sections, such as a scallop, clam, mussel or oyster."While walking on the beach, we found a beautiful, empty bivalve shell. "在海滩上散步时，我们发现了一个漂亮的、空空的双壳贝类贝壳。animalbiologyorganismfoodoceannaturefishChat with AIVocabulary GamePractice Reading
noun🔗Share双瓣果，荚果 A pericarp in which the seed case opens or splits into two parts or valves."The farmer admired the bivalve of the bean pod, easily snapping it open to reveal the seeds inside. "农夫欣赏着豆荚的双瓣果，轻轻一掰就打开了，露出了里面的豆子。animalbiologyplantseedChat with AIVocabulary GamePractice Reading
