noun 下载 🔗分享 月牙形，半月形。 Anything crescent-shaped; a crescent-shaped part or mark; a lunula or lune. Examples : "Her fingernails were painted a deep red, except for the pale, crescent-shaped lunules at the base. " 她的指甲涂成了深红色，只有根部那淡淡的、月牙形的白色半月痕没有涂。 appearance body part anatomy 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 月牙区，小月面 A special area in front of the beak of many bivalve shells, sometimes shaped like a double crescent, but more often heart-shaped. Examples : "The museum exhibit featured a beautiful oyster shell, showcasing its intricate lunules. " 博物馆展出了一件美丽的牡蛎壳，重点展示了它精致的月牙区。 animal biology anatomy organism part nature ocean 与AI对话词汇游戏阅读练习
