柯林斯词典fastener /ˈfɑːsnə/ (fasteners) 1. N-COUNT A fastener is a device such as a button, zipper, or small hook that fastens something, especially clothing. (纽扣、拉链、钩扣等)扣件 返回 fastener剑桥词典a button , zip , or other device for temporarily joining together the parts of things such as clothes 纽扣；拉链；扣件 US (UK fastening) a device on a window , door , box , etc. for keeping it closed （窗、门、盒子等的）扣件，紧固件 返回 fastener