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。
- 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
- igneous cycle 火成旋回
- 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
- Igneous rocks do not contain fossils. 火成岩不含化石。
- Containing little silica, as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- An igneous rock consisting chiefly of pyroxenes. 辉岩主要由辉石组成的一种火成岩
- A dark, fine - grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩；辉绿岩
- 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 dark,fine - grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩;辉绿岩
- A dark,fine.- grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩;辉绿岩
- 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。
