護的英文是什么

　　例句：

　　He clanged his sword three times on his shield.

　　他用他的劍當當當?shù)厍昧?下盾。

　　The gunman used the hostages as a human shield.

　　持槍歹徒用人質作人體盾牌。

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

　　警察用防暴盾牌抵擋攻擊。