shield

戴帽子保护脸部免受阳光强烈热量的伤害。

Wear a hat to ___shield your face from the sun's intense heat.

警察使用盾牌保护自己免受伤害。

Police officers use a ___shield to protect themselves from harm.

在历史战役中，战士依赖剑和盾牌进行防御。

In historical battles, warriors relied on a sword and a ___shield for defense.