noun🔗Share脊柱，脊椎。 The series of bones situated at the back from the head to the pelvis of a person, or from the head to the tail of an animal; backbone, vertebral column."The doctor examined the patient's spines for any signs of injury after the car accident. "医生在车祸后检查了病人的脊柱，看是否有受伤的迹象。anatomybodyphysiologyorgananimalhumanChat with AIVocabulary GamePractice Reading
noun🔗Share脊柱，骨干，主干。 Something resembling a backbone, such as a ridge, or a long, central structure from which other structures radiate."The library shelves had spines facing outwards, making it easy to find the book you wanted. "图书馆书架上的书脊都朝外摆放，这样很容易找到你想找的书。anatomystructurebiologyorganismpartbodyChat with AIVocabulary GamePractice Reading
noun🔗Share刺, 尖刺 A pointed, fairly rigid protuberance or needle-like structure on an animal, shell, or plant."The cactus had sharp spines to protect it from animals. "这棵仙人掌长满了尖锐的刺，用来保护自己免受动物的侵害。natureanimalplantbiologypartstructureChat with AIVocabulary GamePractice Reading
noun🔗Share树心，木髓 The heartwood of trees."The carpenter carefully selected planks made from the spines of old oak trees, known for their strength and resistance to rot. "木匠仔细挑选了用老橡树的树心制成的木板，这些木板以其强度和防腐性而闻名.plantmaterialnaturebiologyChat with AIVocabulary GamePractice Reading
noun🔗Share骨气，胆识。 Courage or assertiveness."The shy student found her spines and finally asked the teacher for help. "这个害羞的学生鼓起了骨气，终于向老师寻求帮助。characterattitudemoralChat with AIVocabulary GamePractice Reading
noun🔗Share箭杆的硬度，箭的弹性 The stiffness of an arrow."The archer checked the arrows' spines to ensure they wouldn't wobble in flight. "弓箭手检查箭的箭杆硬度，以确保它们在飞行中不会晃动。sporttechnicalChat with AIVocabulary GamePractice Reading
