arm bone

同根派生

英汉例句

• The scapula is a triangular bone.
  肩胛骨是一个三角形骨。
• The angulation of the pelvis and femur corresponds to that of the shoulder and upper arm.
  骨盆与大腿骨的角度同肩胛骨与上臂骨的角度协调。
• The humerus is the long bone of the arm.
  肱骨是上臂的长骨。
• The antigravity shoulder muscles prepare to bring the arm to shelf level,and the hand is prepositioned and oriented to prepare forgrasp-ing.
  当伸手动作展开时，前肋骨侧边的肌肉及上下颈部斜方肌会同时收缩使肩胛拉开向上，而旋转环膜会让肱骨呈外旋的姿势，并使得肱骨头置入关节窝。