fastener
柯林斯詞典
1. N-COUNT A fastener is a device such as a button, zipper, or small hook that fastens something, especially clothing. (紐扣、拉鏈、鉤扣等)扣件
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1. N-COUNT A fastener is a device such as a button, zipper, or small hook that fastens something, especially clothing. (紐扣、拉鏈、鉤扣等)扣件