A protein to be of use must not only assemble amino acids in the right sequence, but then must engage in a kind of chemical origami and fold itself into a very specific shape.

为了被派上用场，一个蛋白质分子不但要把氨基酸分子按照合适排列起来，还要从事一种化学打褶作，把自己叠成特定形状。

I might try to find some way to pleat it or pin it that made it easier to take on and off.

我可能会尝试找到一些打褶或别针方法，以便更容易穿脱。

Since then, the method of pleating has been one of fashion history's most closely guarded secrets.

从那时起，打褶方法就成为时史上最严密保守秘密之一。