来自刘恩国的问题
英语翻译Ittookonlyfifty-eightyears,however,togofourtimesthatfast,sothatby1938meninairplanesweretravelingatbetterthan400mph.Ittookameretwenty-yearflickoftimetodoublethelimitagain.Andbythe1960'srocketplants
英语翻译
Ittookonlyfifty-eightyears,however,togofourtimesthatfast,sothatby1938meninairplanesweretravelingatbetterthan400mph.Ittookameretwenty-yearflickoftimetodoublethelimitagain.Andbythe1960'srocketplants
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2020-04-14 07:59