| 单词 | coaster brake |
| 释义 | coaster brake in British English (ˈkəʊstə breɪk) noun US a brake on a bicycle that engages when the pedals are turned in reverse coaster brake in American English US a brake in the hub of the rear wheel of a bicycle, operated by reversing the pressure on the pedals: it also releases the wheel from the driving mechanism to permit free coasting |
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