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。
- Vaginal smears of rats were taken to determine estrous cycle. 采用阴道脱落细胞涂片法观察大鼠动情周期的变化；
- 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。
- vaginal cycle 阴道周期
- 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。
- The fetus was aborted using vaginal prostaglandin. 胎儿是用前列腺素引产的。
- 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
- A medicated vaginal suppository. （一种药物）阴道栓剂
- My vaginal discharge has a foul odor. 我阴道分泌物有恶臭。
- Such a vaginal spasm is called vaginismus. 这种情况称为阴道痉挛。
- I had to cycle all the way to work against the wind. 我不得不一路顶着风去上班。
- Oh, you have a typical vaginal moniliosis. 噢，你有典型的阴道念珠菌病。
- 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。
