shielding

名词 shielding:

1. the act of shielding from harm
2. a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay
3. shield consisting of an arrangement of metal mesh or plates designed to protect electronic equipment from ambient electromagnetic interference

动词 shield:

1. protect, hide, or conceal from danger or harm
   同义词：shield, screen
2. hold back a thought or feeling about
   同义词：harbor, harbour, shield

1. This car polish is an effective shield against rust.
   这种汽车上光蜡很有防　作用。
2. Soldiers in ancient time usually fight with pikes and shields.
   古代的战士们通常用长矛和盾牌战斗。
3. Motorcyclists must wear helmets to shield them from injury.
   摩托车手必须戴头盔保护自己免受伤害。
4. The shield protected him from the blows of his enemy.
   这盾牌保护他免受敌人的打击。