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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。
- 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 density of population in this city is very high. 这个城市的人口密度非常高。
- 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
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- I had to cycle all the way to work against the wind. 我不得不一路顶着风去上班。
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- 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。
- The population density is evened out. 种群密度亦趋于均匀化。
- density cycle 密度周期
- He studied the cycle of events leading to the Great Depression. 他研究了导致大萧条的一系列事件。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
