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."My grandfather, who is over 80, has a slight curvature in his spine. "我爷爷八十多岁了，他的脊柱有点轻微的弯曲。bodyanatomyorganstructuremedicineanimalphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share脊柱，骨干. Something resembling a backbone, such as a ridge, or a long, central structure from which other structures radiate."The new tent's spine ran down the center of the fabric, providing support for the poles. "新帐篷的骨干从织物中心延伸下去，为帐篷杆提供支撑。anatomystructurebiologybodyorganpartChat with AIVocabulary GamePractice Reading
noun🔗Share刺， 针刺 A pointed, fairly rigid protuberance or needle-like structure on an animal, shell, or plant."The cactus had sharp spines that made it difficult to handle. "这种仙人掌长满了尖刺，很难拿。animalplantanatomybiologyorganismstructurepartnatureChat with AIVocabulary GamePractice Reading
noun🔗Share树心，木髓 The heartwood of trees."The carpenter used the spine of the fallen tree to build a sturdy support beam. "木匠用那棵倒下树的树心做了一根结实的支撑梁。plantmaterialChat with AIVocabulary GamePractice Reading
noun🔗Share骨气，脊梁 Courage or assertiveness."Despite the criticism, she showed a lot of spine and defended her project. "尽管受到了批评，她还是很有骨气，据理力争地捍卫了自己的项目。characterattitudeabilityChat with AIVocabulary GamePractice Reading
noun🔗Share箭杆硬度, 箭的刚性 The stiffness of an arrow."The archer carefully checked the spine of the arrow to ensure it was stiff enough for a good shot. "弓箭手仔细检查箭的箭杆硬度，以确保它足够硬，能射出好成绩。sporttechnicalChat with AIVocabulary GamePractice Reading
