蒸汽机车已被柴油内燃机车所取代。
The steam locomotives were superseded by diesel units.
在1768年出现了第一部蒸汽机。
In1768 the first steam engine appeared.
据说，詹姆斯·瓦特对水壶蒸气的观察使他产生了发明蒸汽机的想法。
It is said that James Watt's observation of steam issuing from a kettle gave birth to the idea of the steam engine.
我对蒸汽机著了迷。
I'm crazy about steam-engines.
大多数人认为，停滞不动的电并不比架设在蒸汽机和要被传动的机器之间的固定带更有用。
Most people know electricity standing still is no more useful than is a stationary belt between a steam engine and a machine to be driven.
