| 单词 | Sputnik |
| 释义 | Word Frequency Sputnik(ˈspʊtnɪk, ˈspʌt-) noun any of a series of unmanned Soviet satellites, Sputnik 1 (launched in 1957) being the first man-made satellite to orbit the earth Word origin C20: from Russian, literally: fellow traveller, from s- with + put path + -nik suffix indicating agent |
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