During fencing practice, he quickly deflected the opponent's attack by parrying with his sword.

### 解释 parrying 是动词 parry 的现在分词形式。parry 来自法语，意思是"挡开、避开（攻击）"，特指用武器格挡对方的攻击动作。在击剑运动中指用剑身阻挡对方进攻的技术动作。