a metal clip (= a small object for fastening things together or holding them in position) that has two pointed parts with teeth (= rows of points) joined by a hinge that allows it to open and close, often used for joining electrical wires to something

The battery was attached to a noisy generator by crocodile clips. 电池通过鳄鱼夹连接到嘈杂的发电机上。

Your name badge has an alligator clip for attaching it to your belt, lapel, or trouser pocket. 您的名牌上有一个鳄鱼夹，可将其固定在您的腰带、翻领或裤袋上。

a small metal or plastic clip that has two long parts joined by a hinge with two parts that can be pressed together to open the clip, used for holding part of someone's hair in place

The hair stylist sections off the hair with alligator clips. 发型师用鳄鱼发夹把头发分成不同区域。

They sell a set of four alligator clips decorated with flowers and jewels. 他们出售一套四个鳄鱼发夹，上面装饰着花朵和珠宝。