1.
is closed to cars and roads may be used by bicycles only.
是车辆禁行日，道路上只许自行车通行，
2.
The policeman took away his bike because he had violated traffic regulations.
交通警扣了他的自行车。
3.
I generally ride my bike to school.
我通常骑自行车去学校。
4.
Cycle traffic conflict model on urban pedestrian-bicycle paths
行人-自行车共享道路的自行车交通冲突模型
5.
Traffic regulations prohibit people from riding Bicycles on the sidewalk
交通规则禁止在人行道上骑自行车。
6.
Feasibility of Establishing an Ordinary Course of Cycling in Colleges and Universities;
高校开展普通自行车课的可行性研究
7.
A bicycle, motorcycle, or similar vehicle.
自行车，摩托车自行车，摩托车，或者类似的交通工具
8.
To ride a bicycle, motorcycle, or similar vehicle.
骑车骑自行车，摩托车或者类似交通工具
9.
Travel, usu downhill, by riding a bicycle without pedalling or driving a car without using engine power
（自行车或汽车）滑行
10.
You put air into a bicycle tyre through the valve.
你通过汽嘴把空气打入自行车轮胎。
11.
I was cycling along a street on my way to the interview.
我骑着自行车在通往面试地点的路上。
12.
She gets Potter' s Bicycle Shop on the visionphone.
她接通了波特自行车商店的电视电话。
13.
The Analysis of Electronic Bicycles Traffic Current Situation and Countermeasure Reasearch;
电动自行车交通现状分析及对策研究
14.
Study on the Organization Method of Cyclist Traffic at Signalized Intersection;
信号交叉口自行车交通组织方法研究
15.
Our son has just graduated from a tricycle to a proper bicycle.
我们的儿子刚刚从骑叁轮自行车过渡到骑普通自行车了.
16.
Our son have just graduate from a tricycle to a proper bicycle.
我们的儿子刚刚从骑三轮自行车过渡到骑普通自行车了。
17.
Study on the Cyclist's Behaviors at Non-signalized Intersections under Mixed Traffic Flow Conditions;
混合交通流无信号交叉口自行车微观行为研究
18.
Research on the Mode Choice of Bicycle Based on the Behavior Analysis;
基于行为分析的自行车交通方式选择机理研究