SPUR

例句：

1. 1. He was wearing a SPUR on his leg to show off his strength.
   他穿着腿上的马刺来炫耀他的强壮。
2. 2. The soldiers used SPURs to attack the enemy from behind.
   士兵们使用马刺从后面攻击敌人。
3. 3. The SPUR is a symbol of courage and determination.
   马刺是勇气和决心的象征。