noun 下载 🔗分享 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. Examples : "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。 animal biology organism food ocean nature fish 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 双瓣果，荚果 A pericarp in which the seed case opens or splits into two parts or valves. Examples : "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。 animal biology plant seed 与AI对话词汇游戏阅读练习
