Its case uses sculpted gorilla glass , a tough kevlar backing and a water-resistant coating .

它的机身采用了雕刻的金刚玻璃（Gorillaglass，新型高强度耐刮擦玻璃——译注），坚韧的凯夫拉纤维（Kevlar，高强度合成纤维——译注）机壳以及防水涂层。

Standard body-armour contains around 30 layers of kevlar .

标准的防弹衣一般约有30层凯夫拉。

Forget about the kevlar . Shoot me in my face !

你忘了防弹背心，射我的脸！

Dupont first manufactured large amounts of kevlar in nineteen seventy-one .

杜邦公司首次生产的一九七一年大芳纶金额。

The new armour , which will be battle-tested this summer , is based upon flexible kevlar plates positioned a few centimetres above the skin .

这种将于今年夏天进行战斗测试的新装甲，则设计成位于皮肤以上几厘米的有弹性的凯夫拉板。