In an espresso machine portafilter, you'll have a little spring, like this we call it a spring, but it's just a piece of wire kind of clip that sits inside and holds the basket.

在浓缩咖啡机的过滤器中，你会有一个小弹簧，我们称之为弹簧，但它只是一个夹在里面并固定萃取机的金属线夹子。