Roll cage

（重定向自Roll hoop）

Unimog with integrated roll cage at 2006 Dakar Rally

A roll cage is a specially engineered and constructed frame built in (or sometimes around, in which case it is known as an exo cage) the passenger compartment of a vehicle to protect its occupants from being injured in an accident, particularly in the event of a roll-over.

单词	Roll hoop
释义	Roll hoop 英语例句库 The child was rolling a hoop. 那个孩子在滚铁环。原声例句背诵为王第一册（100课全） Ellen ran and jumped and rolled a hoop with the children. 艾伦和那些孩子们一起跑、一起跳、一起滚铁环。英语百科 Roll cage （重定向自Roll hoop） A roll cage is a specially engineered and constructed frame built in (or sometimes around, in which case it is known as an exo cage) the passenger compartment of a vehicle to protect its occupants from being injured in an accident, particularly in the event of a roll-over.
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