arc shield

例句：

1. 1. The archer aimed hisarrow at the target with precision.
   弓箭手以精确的瞄准将箭矢射向目标。
2. 2. The arc shield was designedto protect against flying objects.
   弧形盾牌设计用来防护飞来物体。
3. 3. Thearc shield is acrucial component of the spacecraft's defense system.
   弧形盾牌是宇宙飞船防御系统的关键组成部分。