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。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.Explorer One went into a higher orbit than either Sp...

n.人造地球卫星...

Sputnik的音标：Sputnik的英式发音音标为：['spʌtnɪk]Sputnik的美式发音音标为：['spʊtnɪk, 'spʌt-, 'sputnjɪk]...

Sputnik的复数形式为：sputniks...