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来源:雅诚德英语网
Inside a hanger at a Swiss airfield is the prototype of an aircraft (illustrated above) that does not use any fuel at all.
在瑞士一个机场的飞机库里面有一架完全不用燃料的飞机原型(如上图所示)。
Inside a hanger at a Swiss airfield is the prototype of an aircraft (illustrated above) that does not use any fuel at all.
在瑞士一个机场的飞机库里面有一架完全不用燃料的飞机原型(如上图所示)。