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Bicyclists use space more efficiently than any other mode of transportation , but they do require space .

骑自行车的人可以比任何一种其它的交通方式更有效地利用空间，但它毕竟还是需要空间。

Honestly , bicyclists should wear helmets .

坦诚的说，骑自行车的人要带头盔。

When he turned to go I suggested that he be kind to bicyclists .

当他离去的时候，我建议他对骑车人态度好一点。

Bicyclists sometimes develop this condition in their knee caps dueto the friction of pedaling .

骑自行车，有时在他们开发这个膝盖帽子由于脚踏摩擦条件。

Bicyclists often ride as though two-wheeled vehicles are exempt from all traffic laws .

骑自行车者无拘无束，仿佛两轮车就可以不遵守交通规则似的。