护的英文是什么

例句：

He clanged his sword three times on his shield.

他用他的剑当当当地敲了3下盾。

The gunman used the hostages as a human shield.

持枪歹徒用人质作人体盾牌。

The police officer fended off the blows with his riot shield.

警察用防暴盾牌抵挡攻击。