例句與造句

1. Americans won six medals, three of them gold, in Sunday's roller races.
2. The last steps were to connect the recoil brakes'pistons to the barrel, fill and test the recoil brake and recuperator, and install the roller race.
3. As with roller racing in general, the rollers are in turn attached to a device that measures distance and can display the progress of the riders.
4. As opposed to traditional roller racing, where riders have to balance, Goldsprints use forkstands so that the riders don't have to balance, only pedal as fast as they can.
5. Although Seltzer's spectacle had elements of originality, a U . S . District Court, ruling against Seltzer when he sued a competitor in 1938, found that the marathon roller race concept had long been in the public domain, so Seltzer couldn't claim copyright violation.
6. It's difficult to find roller race in a sentence. 用roller race造句挺難的