单词	ramjet
释义	ramjet /ˈramdʒɛt / noun A type of jet engine in which the air drawn in for combustion is compressed solely by the forward motion of the aircraft.The two main contenders are hypersonic ramjets or scramjets and nanotube-based space elevators.... The engine, which will be provided by the Air Force, will be a dual-mode scramjet capable of running as a ramjet or scramjet. The unpiloted vehicle's supersonic combustion ramjet, or scramjet, ignited as planned and operated for the duration of its hydrogen fuel supply. Rhymes scramjet
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