词汇：man-made

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I'm talking about... man-made, cataclysmic, change.>>完整场景

[Man On Radio] Washington... [Static, Music Continues] [Man On Radio] If you have just tuned in to this special bulletin, Washington has confirmed that, yesterday, on the fourth of October, 1957, the Soviet Union successfully launched... history's first man-made satellite... into space orbit around the Earth.>>完整场景