noun 下载 🔗分享 红头潜鸭,凤头潜鸭. Any of various diving ducks of the subfamily Aythyinae, especially the common pochard, Aythya ferina. Examples : "My uncle saw a beautiful pochard swimming in the pond near his house. " 我叔叔看见一只漂亮的红头潜鸭或者凤头潜鸭在他家附近的池塘里游泳。 animal bird nature 与AI对话词汇游戏阅读练习