| 词汇 | roller derby |
| 词源 | roller derby; roller disco. Famed author Damon Runyon in- vented the roller derby and named it in 1937 during the Great Depression. In brief, it is a rough body contact sport in which two roller-skating teams compete on an oval track in a race to complete as many laps as possible in a given time. A roller disco, invented in 1978, is a discotheque at which the dancers wear roller skates. |
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