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English definition of “a head of steam”

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a head of steam

the force produced by a large amount of steam in a closed space a situation in which a person or an activity starts to become very active or successful: They're really beginning to build up a head of steam for their campaign.
Translations of “a head of steam”
in Chinese (Traditional) 蒸汽壓力, 初見成效,開始獲得成功…
in Chinese (Simplified) 蒸汽压力, 初见成效,开始获得成功…
(Definition of a head of steam from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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