normal equilibrium

• 正常平衡

normal equilibrium的用法和样例：

例句

1. One theory is that too little copper can cause arthritis and other joint problems, and that absorbing it through the skin can restore a normal balance.
   有一种理论认为，铜过低会引起关节炎和其他关节问题，而让身体通过皮肤吸收进铜，就可以恢复正常平衡。