sputa的英语例句
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It is the Sputnik and is ignored at our peril.
其现实意义不亚于苏联当时发射首颗人造卫星,对此视而不见是非常危险的.
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It'sent back simple radio signals. Sputnik 2 put a dog into space.
它发回了简单的无线电信号. 苏联的第二颗卫星把一条狗送入太空.
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In 1957, the Soviets launched Sputnik 1 into outer space.
1957年,苏联人将“斯普特尼克1号”人造卫星送入了外层空间。
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