bullet-proof vest的用法和樣例：
例句
- This new type of bulletproof vest is easy to wear.
這款新型防彈衣穿著(zhù)很方便。 - As financial contagion consumed the world, finding a life vest was the last thing on my mind.
當金融危機逐漸在全世界蔓延時(shí)，我根本沒(méi)想到要給自己穿上一件防彈衣。 - This bullet-proof vest laces up at the side.
這種防彈背心從側面系緊。 - Each member of the SWAT team had a bullet-proof vest.
每個(gè)特警隊的成員都有一件防彈背心。
