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。
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。
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。
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。
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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