fastener は英語で何を意味しますか?Lingolandと一緒にこの単語の意味、発音、具体的な使い方を学びましょう
留め具, ファスナー
a device such as a button, buckle, or zipper that closes or secures something
留め具, 締結具
a hardware device that mechanically joins or affixes two or more objects together