So while military aircraft conduct high speed flights over water and at high altitudes, supersonic commercial flights seemed like a brief and failed experiment.
因此,当军用飞机在水上和高空进行高速飞行时,超音速商业飞行似乎是一个短暂而失败的实验。
单词 | high speed flight |
例句 |
原声例句
TED-Ed(视频版) So while military aircraft conduct high speed flights over water and at high altitudes, supersonic commercial flights seemed like a brief and failed experiment. 因此,当军用飞机在水上和高空进行高速飞行时,超音速商业飞行似乎是一个短暂而失败的实验。 |
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