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- The Automatic System for Purifing Cycle Nitrogen 全自动循环氮气脱氧净化系统
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- 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
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- 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
- I had to cycle all the way to work against the wind. 我不得不一路顶着风去上班。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- 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。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
