您要查找的是不是：
- Their productive cycle covers several decades. 它们的生产周期可延续几十年。
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- You can't judge a book by its cover. 不能根据封面判断一本书(不可以貌取人)
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- The insurance cover is optional. 保险范围可以随意选择。
- 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
- We tried to find cover from the storm. 我们设法寻找遮蔽暴风雨的地方。
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
- 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。
- His business was a cover for drug dealing. 他的商行是进行毒品交易的幌子。
- 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。
- She likes to spread the bed with a pretty cover. 她喜欢用漂亮的床罩来罩床。
- 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。
- She drew a cover over the typewriter. 她拿过罩子将打字机套上。
- Cover her while I phone the police. 你用枪看住她，我给警方打电话。
- I can't make the cover of the tin fit on. 我无法把这罐头的盖子盖上。
