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- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- A cloud is a mass of vapour in the sky. 云是天空中的水汽团。
- Water can be changed into vapour when heated. 水被加热时，可以变成水蒸汽。
- Gazelles can move with astonishing velocity. 羚羊跑起来速度惊人。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- The car was moving at such a velocity! 那辆汽车的速度简直太快了！
- Gazelles can movewith astonishing velocity. 羚羊跑起来有时速度惊人。
- The hare darted off with the velocity of a bird. 野兔像鸟一样快速掠去。
- vapour velocity 蒸汽速度
- superficial vapour velocity 表面的蒸气速度
- It can change water into vapour. 它能把水变成蒸汽。
- The hot vapour spouted from a rusted pipe. 热蒸汽从一个生了锈的管子里喷了出来。
- The velocity of light is about 186,000 miles per second. 光速大约是每秒十八万六千英里。
- Then a brown vapour is given off. 这时会放出一种棕色的气体。
- He sniffed the vapour up (through his nose). 他（用鼻子）吸入蒸气.
- The rate of change of velocity with respect to time. 加速度速度相对于时间变化的速率
- Petrol forms vapour above a certain temperature. 高于一定的温度汽油就形成蒸气。
- When heated,water change into vapour. 给水加热时，它会变成蒸气。
- Heated, the water turns to vapour. 加热时，水会变成蒸汽。
- An increased velocity is randomly dispersed. 增加的速度任意地四散传播。
