n a fastener for locking together two toothed edges by means of a sliding tab
v close with a zipper
n. 拉链
1. I need to fix the zipper on my jacket.
我需要修理我夹克上的拉链。
2. She pulled the zipper up to keep warm.
她拉上拉链以保持温暖。
3. The backpack has a broken zipper.
这个背包的拉链坏了。