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- Water contains hydrogen and oxygen. 水含有氢和氧。
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- 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
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- The seasons of the year make a cycle. 一年四季构成一个循环。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- 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 oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- 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 oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火，引起了一连串的爆炸。
- The engine cycle during which this process occurs. 压缩周期上述机器压缩过程的周期
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
