flak jacket

• n. 防弹衣

flak jacket的用法和样例：

例句

用作名词 (n.)

1. She's doing an exclusive line of flak jackets just for us.
   她特别为我们设计一系列防弹衣。
2. Police in flak jackets are patrolling the districts hit by the violence.
   身穿防弹衣的警察正在遭受暴力攻击的地段巡逻。