英语词汇“roll bar”是什么意思，“roll bar”的读音、用法及例句翻译-乐坝网

词汇	roll bar
释义	roll barn.（名词） A sturdy metal bar built into the inside roof of a motor vehicle to prevent or reduce injury in case of a rollover.翻车保护杆：汽车内部顶篷上的一根结实铁杆，在万一发生翻车时防止或减轻受伤
随便看	double–barreled double–barrelled double–breasted double–check double–click double–cross double–dealing double–decker double–digit double–edged double–faced double–jointed double–park double–quick double–space double–stop double–team double–time double–tongue double–u double–you doubling doubloon doubloons doubly

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