| 单词 | steam engine |
| 释义 | Word Frequency steam engine or steam-engine (stiːm ˈɛndʒɪn) noun 1. mechanical engineering an engine that uses the thermal energy of steam to produce mechanical work, esp one in which steam from a boiler is expanded in a cylinder to drive a reciprocating piston the invention of the steam engine 2. railways a steam locomotive Everything was put in order for the arrival of the first hooting steam engine withits cowcatcher out front. Word Frequency steam-enginenoun an engine that uses the thermal energy of steam to produce mechanical work, esp onein which steam from a boiler is expanded in a cylinder to drive a reciprocating piston |
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