uni-cycle

常见例句

• 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。
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