防卫姿势

例句：

1. 1.The soldiers were on full defense when the enemy attacked.
   当敌人攻击时，士兵们处于全面防御状态。
2. 2. He is a skilled fighter and can provide excellent defense for his team.
   他是一名熟练的战士，可以为他的团队提供出色的防御。
3. 3. Defense is a fundamental aspect of any military strategy.
   防御是任何军事战略的基本要素。