The longest previous hypersonic scramjet flight test, performed by a NASA X-43 in 2004, was faster, but lasted only about 10 seconds and used less logistically supportable hydrogen fuel.
先前最长的冲压式喷气发动机下极超音速飞行测试，是在2004年由NASA的X-43进行的，速度更快，但只持续了10s。
Both planes were going to take off on July 25th, but Latham failed to get up early enough, After making a short test flight at 4, 15 a.m., Bleriot set off half an hour later.
两天飞机都打算在7月25日起飞，但莱瑟姆那天起床晚了。布莱·里奥凌晨4点15分作了一次短距离试飞，半小时后便正式出发了。
But ultimately, this mission is a test flight, so we'll know a lot more afterward than we'll know beforehand.
但最终，这是一个测试飞行任务，因此我们将知道更多以后会比我们事先知道。
It's only a prototype right now but a man in Switzerland took it for a test flight and the take-off, they say was, pretty smooth.
目前这还只是一架原型机，不过瑞士的一名飞行员架着它完成了一次试飞。测试人员称，飞机起飞十分平稳。
It's only a prototype right now but a man in Switzerland took it for a test flight and the take-off, they say was, pretty smooth.
目前这还只是一架原型机，不过瑞士的一名飞行员架着它完成了一次试飞。测试人员称，飞机起飞十分平稳。
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