unzip

1.She unzipped her jacket.

她拉开短上衣的拉链。

2.This "green" technology, Petretec(sm), recycles all forms of polyester, "unzipping" it into monomers suitable for repolymerization or other uses.

这项绿色技术可以回收各，将其断裂为单体以便再合或其它用途。