a catcher's shin guards的用法和样例：
- To enter Gaiter, I strapped on a head-mounted display and a flak jacket, as well as forearm and shin guards.
- Players who play in the field should wear the proper team jerseys &shin guards , otherwise referee may not allow them to play.
- The dog kept a vigilant guard over the house.
- I shin up a tree to get a better view of the procession.
- helmet, gloves, shin guards and feet guards, called kicks.