noun 下载 🔗分享 小丘,圆丘,隆起 A hillock; a rounded elevation or protuberance. Examples : "The small mamelon on the otherwise smooth beach was perfect for building a miniature sandcastle. " 在平坦的沙滩上,这个小小的隆起非常适合建造迷你沙堡。 anatomy body physiology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 小丘,隆起 A structure resembling a small bump found on the outer surface of stromatoporoids. Examples : "The fossil showed a distinct mamelon, a small bump characteristic of stromatoporoid surfaces, indicating the ancient organism's growth pattern. " 化石上显示出一个明显的瘤状突起 (mamelon),这是层孔虫表面特有的小丘,表明了这种古老生物的生长模式。 geology biology structure organism 与AI对话词汇游戏阅读练习