Double layers of protection on the hands.

手上要有两防护。

That was made of a double layer of very strong glass.

它由双强硬的玻璃制成。

It's folded which means there's double layer of crunch happening.

它折叠的，意味着发生了双嘎吱声。

See, cells are surrounded by a membrane: a double layer of fatty molecules which keeps their insides in and their outsides out.

一双分子，将内外分隔开来。

The suit's sleeves, bottom of the tunic, and boots all extend under the upper layer, to give you double layered protection in several vital areas.

西装的袖子、束腰外衣的底部和靴子都延伸到上之下，在几个重要区域为您提供双保护。

I'm smooshing it all together, rolling it into a sausage in a double layer of cling film, and popping it into the freezer to set up while I do everything else.

我把它们揉成一团，用双保鲜膜卷成香肠，然后在我做其他事情期间把它放进冰箱里冷藏起来。