Also known as body armors, there are different types of bullet proof vests.

也称为身体盔甲等，有许多不同类型的防弹背心。

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Bullet proof vests have been around for decades but skin that can stop them has only been the preserve of science fiction.

防弹背心已经存在了数十年，但是防弹皮肤还仅存于科幻小说中。

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And to make really bullet-proof vests.

还可以制造真正的防弹背心。

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Police also found bullet-proof vests and 11 cars and two car-removal lorries.

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He is so principled, in fact, that he even cajoled me one time, because of his firm belief in federalism and the distinction between the federal government's responsibilities and the state's, to vote against federal funding for cops' bullet-proof vests.

CENTERFORSECURITYPOLICY: Center For Security Policy

In the 1950s Stephanie Kwolek invented Kevlar, the synthetic fibre used to make bullet-proof-vests.

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