在三万英尺高空从飞机里被弹出几乎不可能生还。
It would be virtually impossible to survive ejection from an airplane at 30, 000 feet.
在三万英尺的巡航高度，飞机外部的气压大约比乘客感受的内部气压低2.5倍。
At a cruising altitude of 30, 000 feet, pressure outside of the plane is about two and a half times lower than what passengers experience on the inside.
在三万英尺的巡航高度，飞机外部的气压大约比乘客感受的内部气压低2.5倍。
At a cruising altitude of 30,000 feet, pressure outside of the plane is about two and a half times lower than what passengers experience on the inside.
而这提出了一个重要，甚至残酷的问题：如果你在三万英尺高空被吸入大气层会发生什么？
And that raises an important, if gruesome question: What would happen to you if you were sucked into the atmosphere at 30,000 feet?
而这提出了一个重要，甚至残酷的问题：如果你在三万英尺高空被吸入大气层会发生什么？
And that raises an important, if gruesome question: What would happen to you if you were sucked into the atmosphere at 30, 000 feet?
这是我选择的，因此我说，你们也许会想，重力加速度，在三万英尺的高空，也许实际上，要比10小。
This is the one I pick and so I say, You may think that the gravitational acceleration at an altitude of 30,000 feet could be substantially less than the canonical number of 10.
在这三万英尺的高度，我们不得不认识到这就是事实……“撑不住了”最终的结果就是，好了，就是撑不住。
From the 30,000-foot level, we have to realize that this is OK... as the 'unsustainable' is finally showing to be, well, unsustainable.
想一想当你在飞机上时，你实际上是在三万英尺的高空，呆在一个铝管里，以每小时600里的速度飞行，而你觉得这一切都还好。
Think about flying in an airplane. You're up there in an aluminum tube, 30, 000 feet up, going 600 miles an hour, and you think everything is all right.
想一想当你在飞机上时，你实际上是在三万英尺的高空，呆在一个铝管里，以每小时600里的速度飞行，而你觉得这一切都还好。
Think about flying in an airplane. You're up there in an aluminum tube, 30, 000 feet up, going 600 miles an hour, and you think everything is all right.
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