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。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- 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。
- The engine cycle during which this process occurs. 压缩周期上述机器压缩过程的周期
- uranium cycle 铀循环
- Uranium is a lithophile element. 铀是亲石元素。
- I had to cycle all the way to work against the wind. 我不得不一路顶着风去上班。
- Uranium fills interstitial space. 铀充填在颗粒间的空间。
- 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。
- Uranium is used to fuel nuclear plants. 铀用作核电厂的燃料。
- Highly enriched uranium can be produced in China. 中国现今能生产高富集铀。
- Uranium is abundant in some parts of the world. 铀在世界上某些地方的蕴藏量十分丰富。
