zipper

To become fastened or unfastened by a zipper.

拉开拉链，拉上拉链

A fastener slides along and fastens the hooks together.

拉上拉链，齿钩合到一起。

She zipped up her dress.

她拉上了衣服的拉链。

Your fly is open.

你(裤子)的拉链没拉上。

He zipped up his jacket. = He zipped his jacket up.

他拉上夹克的拉链。

He zipped his bag open [closed].

他把袋子的拉链拉开 [拉上] 。

Please help me to zip my dress on, the fastener's at the back and I can't reach.

请帮我拉上衣服的拉链，拉链在背后，我够不着。

He zipped up his coat before going out.

他出门前拉上了上衣的拉链。

Zip up your coat before going out.

出去前先把你的上衣拉链拉上。

a coat with zippered pockets.

一件有带拉链兜的上衣

Zip your coat. The temperature is 10 degrees below zero outside.

把大衣拉链拉上，外面温度是零下10度。

Better zip your jacket -- it's cold outside.

你最好把衣服的拉链拉上，外面很冷。

Why is your fly often undone/unzipped?

为什么你裤子的拉链经常没有拉上?

Its interlocking teeth would spring open or jam.

拉链上互相啮合的齿能拉开也能合拢。

Zip up, or you'll catch a cold.

把拉链拉上,否则你会感冒。

Will you zip up my dress?

把我衣服的拉链拉上去好吗?

To open or unfasten by means of a zipper or become unzipped.

拉开链条通过拉开一条拉链来打开或解开；拉链被拉开

Fix on a new zip for me–the old one has broken.

替我缝上个新拉链－－旧的坏了。