clasp

/klæsp/

a fastener (as a buckle or hook) that is used to hold two things together

中文释义：扣子；钩子；搭扣

The clasp on her necklace broke, causing the pearls to scatter on the floor.

她项链上的搭扣断了，导致珍珠散落在地板上。

He struggled to fasten the clasp of the old leather suitcase.

他费力地扣上旧皮箱的搭扣。