universal joint boot

例句：

1. 1. The universal jointboot is a type of protective footweardesigned to protect the feet from injuries causedby heavy machinery.
   万能关节靴是一种设计用来保护脚免受重型机械伤害的防护鞋。
2. 2. In construction, universal joint boots arecommonly used to protect workers' feet fromsharp objects and impacts.
   在建筑工作中，万能关节靴常被用来保护工人的脚免受尖锐物体和冲击的伤害。
3. 3.During long periods of standing or walking,wearing a universal joint boot can help preventblisters and other foot problems.
   长时间站立或行走时，穿着万能关节靴可以帮助预防水泡和其他足部问题。