noun 下载 🔗分享 上颌骨，上颚骨 Either of the two bones that together form the upper jaw. Examples : "The dentist examined the X-ray to check the health of Sarah's teeth and maxilla, or upper jaw bone. " 牙医检查了X光片，以检查莎拉的牙齿和上颌骨（也就是上颚骨）的健康状况。 anatomy organ body medicine physiology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 上颚，小颚 (arthropodology) One of a set of paired mouthparts found in many arthropods and used for tasting and manipulating food. Examples : "The grasshopper used its maxilla to taste the leaf before chewing it. " 这只蚱蜢在咀嚼叶子之前，先用小颚品尝了一下味道。 organism anatomy biology animal insect part 与AI对话词汇游戏阅读练习
