Looking down at the Earth, you started to pick up a sense of speed much more than I had noticed on orbit.

Looking down at the Earth, you started to pick up a sense of speed much more than I had noticed on orbit.

向下看地球，你开始获得一种速度感，比我在轨道上注意到的要快得多。

-- Robert Crippen 罗伯特·克里彭