单词	near-sonic speed
释义	near-sonic speed 近音速
随便看	roll length rollless metal churn roll leveler roll leveller roll life roll lift roll line roll logs for roll machine roll magazine roll magazines roll magnetic anisotropy rollman roll mandrel roll mangle roll mark roll marks roll metacentric stability roll microfilm roll mill roll milling roll mill pulverizer roll mixer roll mixing roll model 敢敢1 敢2 敢3 敢4 敢不承命敢为敢做敢作敢为敢作敢当敢勇当先うちぶうちぶ【打ち歩】うちぶところうちぶところ【内懐】うちぶろうちぶろ【内風呂】うちべりうちべり【内減り（内耗り）】うちべんけいうちべんけい【内弁慶（内辨慶）】