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。
- Have any of you actually seen a UFO? 你们中间是不是有人确实看到过飞碟？
- 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。
- 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。
- Is he the specialist who studies UFO? 他是研究飞碟的专家吗?
- I disbelieved reports of UFO sightings. 我不信关于见到不明飞行物的各种报道。
- The engine cycle during which this process occurs. 压缩周期上述机器压缩过程的周期
- Mr Green said that he saw three aliens the UFO. 格林先生说他看见三个外星人走出了飞碟。
- As a group, we know virtually nothing about UFO. 总的来说，我们对不明飞行物几乎一无所知。
- I was shopping when the alien got out of the UFO. 当外星人走出不明飞行物时;我正在买东西.
- I had to cycle all the way to work against the wind. 我不得不一路顶着风去上班。
- As a group,we know virtually nothing about UFO. 总的来说，我们对不明飞行物几乎一无所知。
- 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。
