In 1957, the Soviet union took other nations by surprise by launching the first satellite "Sputnik 1" into space, an event which marked the beginning of the space age.
1957年，苏联成功发射第一枚人造卫星卫星一号，此举不但令举世震惊，更标志人类从此进入太空时代。
In 1957, the Soviet union took other nations by surprise by launching the first satellite "Sputnik 1" into space, an event which marked the beginning of the space age.
1957年，苏联成功发射第一枚人造卫星卫星一号，此举不但令举世震惊，更标志人类从此进入太空时代。
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