But at least one death was real: cosmonaut Valentin Bondarenko died in a pressure chamber fire during ground training less than a month before Gagarin's flight.
但是至少有一次牺牲是实实在在的：宇航员ValentinBondarenko在Gagarin飞行前不到一个月的一次地面训练中因气压舱着火而死亡。
Neurosurgeons put in 8 years of interning after their standard medical training; fighter pilots put in thousands of flight hours, plus thousands more hours of ground training.
神经外科医师在常规的医疗培训后要从事8年的实习工作；战斗机飞行要经历几千小时的飞行，外加几千小时的地面训练。
Neurosurgeons put in 8 years of interning after their standard medical training; fighter pilots put in thousands of flight hours, plus thousands more hours of ground training.
神经外科医师在常规的医疗培训后要从事8年的实习工作；战斗机飞行要经历几千小时的飞行，外加几千小时的地面训练。
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