generate enough pressure to drive a steam engine
開足蒸汽驅(qū)動發(fā)動機
(of a project in its early stages) gradually gain more impetus and driving force
（計劃的早期）逐漸獲得驅(qū)動力
his campaign steadily picked up steam.
他的競選活動穩(wěn)步地獲得越來越多的動力。
(informal)be extremely angry or irritated
(非正式)大發(fā)雷霆，非常惱怒
(of a steam locomotive) ready for work, with steam in the boiler
（蒸汽機車）準備工作，準備發(fā)動，一切就緒
(informal)(of a person) get rid of pent-up energy or strong emotion
(非正式)發(fā)泄被壓抑的感情；泄怒
(informal)lose impetus or enthusiasm
(非正式)失去動力；失去熱情
a rebellion that had run out of steam.
沒了勁的反叛。
(with reference to travel) without assistance from others
（旅行）靠自己的力量
we're going to have to get there under our own steam.
我們必須靠自己的力量到達那里。
(of a machine) being operated by steam
（機器）靠蒸氣運行