?平衡支枢
... 中支枢 pivot 平衡支枢 balance pivot 弹簧支枢 spring pivot ...
?杠杆支点
... 杠杆支持 lever dolly 杠杆支点 balance pivot; lever fulcrum 杠杆制动器 lever stop ...
平衡支枢
Ballroom dancers tend to roll and pivot on the edges of their feet, using a series of muscles and tendons to achieve a balance and dexterity honed with years of practice.
CNN: Boston bombings destroy dancer's foot, but not her spirit
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。