steam 1 W3 / stim / 名词 [不可数名词]

1 gas the hot mist that water produces when it is boiled :

Steam rose from the hot tub.

2 mist on surface the mist that forms on windows, mirrors etc when warm wet air suddenly becomes cold

3 power power that is produced by boiling water to make steam, in order to make things work or move :

The engines are driven by steam.

steam engine/train/hammer etc (= an engine etc that works by steam power )

4 let/blow off steam to get rid of your anger, excitement, or energy in a way that does not harm anyone by doing something active

5 get/pick/build up steam ( also gather/gain steam )

a) if an engine picks up steam, it gradually starts to go faster

b) if plans, beliefs etc pick up steam, they gradually become more important and more people become interested in them :

The election campaign is picking up steam.

6 run out of steam ( also lose steam ) to no longer have the energy or the desire to continue doing something, especially because you are tired :

I usually just let her yell until she runs out of steam.

7 under your own steam if you go somewhere under your own steam, you get there without help from anyone else :

I’ll get to the restaurant under my own steam.

8 railway a railway system in which the trains use steam for power :

the age of steam

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