By bicycle, it was an easy trip.
骑自行车的话，旅途就很轻松。
This conclusion was based on three short studies where 350 people either took a trip by bus, by bicycle or watched a video of a person taking a bicycle ride.
研究人员通过对350人进行三组小实验后得出了这个结论。他们中有的乘车旅行，有的骑车旅游，还有的负责观看那些骑车旅行的视频。
The two old men's trip through all the country by bicycle was one for the books.
这两位老人骑自行车旅游全国是很不平常的事。
The two old men's trip through all the country by bicycle was one for the books.
这两位老人骑自行车旅游全国是很不平常的事。
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