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单词	scramjet
释义	scramjet /ˈskramdʒɛt / noun Aeronautics A ramjet in which combustion takes place in a stream of gas moving at supersonic speed.Like the comparatively slower ramjet counterpart, the scramjet has a simple mechanical design with no moving parts.... Unlike conventional rocket engines, which must carry oxidizer on board, ramjets and scramjets take in air from the atmosphere and compress it enough to burn. The advantages of the technology are clear: the scramjet contains relatively few moving parts compared to a conventional turbine jet engine. Origin 1960s: from s(upersonic) + c(ombustion) + ramjet. Rhymes ramjet
随便看	polyglacialism polyglacialist polyglossia polyglossic polyglossy polyglot polyglottal polyglotted polyglotter polyglottery polyglottic polyglottish polyglottism polyglotwise polyglutamic polyglycerin polyglycerine polyglycine polyglycol polyglycolic polygon polygonaceous polygonal polygonate Polygonatum

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