来自意大利语 rocchetto,纺纱轴,纺锤,烟花,火箭,来自 Proto-Germanic*rukkon,摇晃,纺 纱,来自 PIE*rug,纺纱,词源同 rock.-etto,小词后缀。比喻用法,因烟花,火箭形似纺锤体 而得名。
That such a feat is considered within the range of possibility is evidenced by the activities of scientists in Europe as well as in America. Two of them, Prof. Herman Oberth and Dr. Franz Hoeff, of Vienna, are constructing a five-ton rocket ship in which they hope to reach the moon in two days. ["Popular Science," Feb. 1927]
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出自-2013年12月阅读原文
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