an iron tripod placed over a fire for a cooking pot or kettle to stand on (放在火上支承锅或水壶的)三脚铁架 ■an iron bracket designed to hook on to bars of a grate for a similar purpose (钩在壁炉炉栅上用于支承锅、壶的)支架 ■a stand or support with three or more legs 三脚台,脚台
常用词组 (as) right as a trivet
(Brit. informal)perfectly all right; in good health (英,非正式)非常好的;健康的
语源
late Middle English: apparently from Latin tripes, triped- 'three-legged', from tri- 'three' + pes, ped- 'foot'