您要查找的是不是：
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- A single complete pulsation of the heart. 心搏一次完整的心脏跳动
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- The seasons of the year make a cycle. 一年四季构成一个循环。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- pulsation cycle 脉动周期,脉动循环
- This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
- The pedals of a cycle are attached to a crank. 自行车的踏板与曲柄相连。
- The pedals of a cycle are attached to the crank. 自行车的踏板与曲柄相连。
- Her latest stunt is riding a motor cycle through a ring of flames. 她的最新特技表演是骑摩托车钻火圈。
- The engine cycle during which this process occurs. 压缩周期上述机器压缩过程的周期
- A pulsation produced by beating. 振动敲击产生的振动
- Prevent pulsation problems in piping systems. 防止管线系统中的脉动问题。
- Irregular,rapid beating or pulsation of the heart. 心脏急速跳动规则的，快速的心跳或心脏的博动
- I had to cycle all the way to work against the wind. 我不得不一路顶着风去上班。
- A single.complete pulsation of the heart. 心搏一次完整的心脏跳动
- I am unable to cycle to school because my bicycle is broken. 我不能骑车上学，因为我的自行车坏了。
- It offers the true pulsation of natural growth. 它提供了自然成长的真正跳动。
