shield,guard,defend有什么区别?

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shield,guard,defend有什么区别?
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shield,guard,defend有什么区别?
shield,guard,defend有什么区别?

shield,guard,defend有什么区别?
defend指“保卫”、“防御”,应用范围很广,对象可以是具体的,也可以是抽象的,如:
defend oneself against enemy
防御敌人.
guard 指“注意观察、戒备,以免受可能的攻击或伤害”,如:
guard a coastline
守卫海岸线.
protect 指“保护...以免遭受危险或伤害等”,如:
protect the children from harm
保护儿童免受伤害.
shield 指“保护、保卫...免受惩罚或伤害等”,较其他词更有形象感,多指像防护罩一样保护,如:
shield one's eyes against the glare of the sun

shield sb.from sth.
guard/defend sb. from (doing)sth.