swivel stirrup

swivel stirrup 基本解释

网络  旋回牵引镫

医学

重点词汇

• swiveln. 转环, 旋转轴承, 转椅座架 v. (使)旋转
• stirrupn. 马镫, 镫具, U形物 [化] 钢箍

swivel stirrup 双语例句

1. 1、 Racket stage non-professional players racket last moments elbow slightly open, have apparent backward swivel action, force is not very concentrated, Racket last moments knee Angle to force too large, stirrup decreases. 3.
   引拍阶段非专业运动员引拍最后时刻肘关节略有打开，有明显的向后转体动作，用力不是很集中；引拍最后时刻膝关节角度过大，蹬地力量减小。