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- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- thorium uranium breeder 钍 铀增殖反应堆
- 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。
- Followed by the slow decomposition of uranium to another element thorium. 铀元素随后缓慢分解为另一种元素钍。
- 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。
- Chemical compounds and mixtures containing uranium and thorium are active in direct proportion to the amount of these metals contained in them. 含铀和钍的化合物和混合物活跃的程度与这些化合物和混合物中这两种金属的含量直接相关。
- 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
- I measured the activity of a number of minerals; all of then~ that appear to be radioactive always contain uranium or thorium. 我测量了一些矿物的活性，所有显示放射性的物质均含有铀和针。
- uranium cycle 铀循环
- A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances. 少数元素，其中有铀和钍，通过它们核的变化自然蜕变成较轻的元素。
- Marie found another called thorium. 玛丽发现了另一种物质，叫钍。
- I had to cycle all the way to work against the wind. 我不得不一路顶着风去上班。
