Skylon, as Reaction Engines names its design, would be powered by engines able to switch between air and liquid oxygen.
【正确答案】:Reaction Engines公司将它的设计命名为Skylon,其将会由能够在气态和液态氧之间转换的发动机驱动。
Skylon, as Reaction Engines names its design, would be powered b
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