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。
- uranium plutonium carbide 铀钚碳化物
- Some countries, most notably France, currently use a closed fuel cycle in which plutonium is separated from the spent fuel and a mixture of plutonium and uranium oxides is subsequently burned again. 有些国家，尤其是法国，使用一种封闭式燃料循环，能将钸从核废料分离出来后，与氧化铀混合再次当成燃料。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- uranium plutonium cermet 铀钚金属陶瓷
- uranium plutonium nitride 铀钚氮化物
- 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
- uranium plutonium oxide 铀钚氧化物
- 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。
- uranium plutonium alloy 铀钚合金
- 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。
- mixed uranium plutonium carbide 混合铀 钚碳化物
- The pedals of a cycle are attached to the crank. 自行车的踏板与曲柄相连。
- Plutonium and highly enriched uranium can be used to build nuclear weapons. 钸元素以及高度浓缩铀可以用来制造核武器。
- 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
