| 词汇 | roll bar |
| 释义 | roll bar noun [ C ] uk/ˈrəʊl ˌbɑːr/ us/ˈroʊl ˌbɑːr/ （尤指赛车顶盖上的）翻车保护杆（或杠） a metal bar across the roof of a car, especially one used for racing, that protects the people inside if the car turns over |
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