It might look like a poorly drawn picture of an alien, but this is actually one of the most advanced types of skin ever made - that can even stop bullets.
据英国《每日邮报》8月16日报道，尽管看起来像一张粗糙的外星人的图片，这实际上却是迄今人类制造最先进的皮肤，它甚至可以防弹。
Some of the 9 types have been identified as alien addition lines through cytology techniques and in situ hybridization of nuclear acids.
这9个类型中有的结合细胞学镜检与核酸原位杂交技术已确定为异附加系。
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