wound burr

例句：

1. 1. He was wounded in the battle and had to be hospitalized for several weeks.
   他在战斗中受了伤，不得不住院治疗几周。
2. 2.The soldier's wound was deep enough that he couldn't walk without assistance.
   士兵的伤口很深，没有辅助就无法行走。
3. 3.She carefully bandaged her wound with a clean cloth.
   她用一块干净的布仔细包扎了伤口。