单词	motorcyclist
释义	motorcyclist /ˈməʊtəsʌɪklɪst / noun A person who rides a motorcycle.For the same period in August last year 22 motorcyclists were killed on our roads.... Some states have adopted partial use laws requiring motorcyclists under 17 years old to wear helmets. Officers say speeds of 90 mph have been logged, and a motorcyclist was recently clocked at 102 mph.
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