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- Trains in the past were powered by steam engine. 以前的火车都是由蒸汽机带动的。
- With the new trap, the rat catcher still forces smoke into the burrow.But the trap is attached to an air pump operated by hand. 有了这种新型捕鼠器，捕鼠人采用的仍然是把烟输送到鼠洞里的方法，但是，新型捕鼠器与一种手动气泵相连。
- A pump operated by a windmill. 风力抽水机由风车操纵的抽水机
- The engines are driven by steam. 这些发动机是由蒸汽驱动的。
- The steam engine was invented by Watt . 蒸汽机是由瓦特发明的。
- In1768 the first steam engine appeared. 在1768年出现了第一部蒸汽机。
- Who was steam engine invented by ? 蒸汽机是谁发明的?
- an air pump operated by hand to inflate something 用手操作使某物膨胀的抽气机
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- A vehicle, such as a boat, that is operated by a small gasoline engine. 小型汽油交通工具由小型汽油发动机牵引的交通工具，例如汽船
- We couple the name of Watt with the steam engine. 我们把瓦特的名字与蒸汽机联系在一起。
- an air pump operated by hand to inflate something (as a tire). 用手操作使某物膨胀的抽气机。
- They were scalded by steam from the burst pipe. 他们被爆裂的管子里喷出的蒸汽烫伤了。
- A generator may generate electricity when driven by a steam engine. 由蒸汽机驱动时，发电机可以发电。
- A pilotless aircraft operated by remote control. 无人驾驶飞机无飞行员的遥控飞机
- A steam engine transforms heat into power. 蒸汽机将热能转变成动力。
- Do you run the trains on oil or by steam? 你们开火车用油还是用蒸汽?
- The machinery is driven by steam. 这些机器是由蒸汽推动的。
- The steam engine is an external-combustion engine. 蒸汽机就是一种外部燃烧发动机。
- A pump without pistons that operates by means of pulsed condensation of steam. 气压泵一种通过搏动的压缩蒸汽操作的没有活塞的泵
