suspender
noun uk/səˈspen.dər/ us/səˈspen.dɚ/
[ C ] UK (US garter)吊袜带
a long piece of elastic that hangs down from a suspender belt and holds a stocking up
suspenders[ plural ] US (UK braces) 托架，支架
a pair of narrow straps that stretch from the front of the trousers over your shoulders to the back to hold them up