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。
The infantry receives a directive to lie down and dig in, that is not easy because of heavy bullet-proof vests.
步兵收到匍匐指令并开始挖掘工事，由于穿着厚重的防弹衣，这并不是一项简单的任务。
It thus has a wide range of USES, from abrasives and cutting tools to bullet-proof vests and ceramic brakes in sports cars.
所以，金刚砂有很广泛的用途：作为研磨料、切割工具、做防弹衣、用于跑车的陶瓷制动器上。
The police all wear bullet-proof vests under their shirts.
警察全都在衬衫里面穿了防弹马甲。
After processing can be used for bullet-proof vests, anti-cutting gloves, all kinds of traction rope, winch rope, mooring rope, climbing rope, sling, parachute rope, fishing nets.
加工后可用于防弹衣，防切割手套，各类牵引绳，绞盘绳，系泊缆，登山绳，吊索具，降落伞绳，渔网等。
After processing can be used for bullet-proof vests, anti-cutting gloves, all kinds of traction rope, winch rope, mooring rope, climbing rope, sling, parachute rope, fishing nets.
加工后可用于防弹衣，防切割手套，各类牵引绳，绞盘绳，系泊缆，登山绳，吊索具，降落伞绳，渔网等。
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