a flat, typically rectangular frame with a hinged pin, used for joining the ends of a belt or strap.
most rucksacks have quick release buckles
同义词：
claspclipcatchfastenerfasteninghasp
动词
1
fasten with a buckle.
he buckled his belt
同义词：
fastendo uphookstraptiesecureclaspcatchclip
2
bend and give way under a weight or force.
the bridge started shaking and then it began to buckle
同义词：
warpbecome/make warpedbendbend out of shapebecome/make benttwistbecome/make twistedcurvebecome/make curveddistortbecome/make distortedcontortbecome/make contortedbecome/make crookeddeformbecome/make deformedmalformbecome/make malformedmisshapebecome/make misshapenmanglebecome/make mangleddevelop a kink/wrinkle/foldbulgearcarchwrinklecrumplecollapsecave ingive way
