shin guard

例句：

1. 1. He wore a shin guard to protect his injured knee.
   他戴着护膝来保护他的受伤的膝盖。
2. 2.The basketball player had to wear a shin guard during the game.
   篮球运动员在比赛中必须戴护膝。
3. 3. She used a shin guard to prevent her foot from getting hurt during the hike.
   她在徒步旅行时用护膝来防止脚受伤。