Buckle
“Buckle”是一个名词或动词，主要有两个含义：
- 作为名词：扣子，用来固定带子或皮带的扣子
- 作为动词：扣紧、弯曲，扣紧扣子或使弯曲
- She fastened the buckle on her belt. (她扣紧了腰带上的扣子。)
- The table leg started to buckle under the weight. (桌腿在重量下开始弯曲。)
- He had to buckle down and study. (他必须扣紧并学习。)
“Buckle”来自古法语 “boucle”（扣子），原意为”扣子”。
“Buckle”是一个完整的单词，来自古法语，没有明显的英语词缀。
“Buckle”常用于描述用来固定带子或皮带的扣子，也用于比喻”buckle down”（努力）等短语。
- 过去式：buckled
- 现在分词：buckling
- 复数形式：buckles
可以将 “buckle” 与 “button”（按钮）联系起来，两者都与固定、扣紧有关。
When I was learning to ride a bike, my dad always made sure I buckled my helmet before we started. It seemed like a small thing, but he explained that safety comes first. Now I always buckle up, whether it’s a helmet, seatbelt, or anything else.
当我学习骑自行车时，我爸爸总是确保在我们开始之前我扣紧头盔。这似乎是一件小事，但他解释说安全第一。现在我总是扣紧，无论是头盔、安全带还是其他任何东西。