英语词汇“旧石器时代”的翻译、意思、用法、释义-英汉汉英双解词典

单词	旧石器时代
释义	旧石器时代 jiù shí qì shí dài石器時代的早期,也是人類歷史的遠古階段；這時人類使用的工具是比較粗糙的打製石器,生產上只有漁獵和採集the Paleolithic Period繁体舊石器時代
随便看	carbon isotopic carbon isotopic composition carbon isotopic compositions carbon isotopic equilibrium method carbon isotopic fractionation Carbon isotopic reversal carbon isotopic reversal trend Carbon is tetravalent Carbonit Carbonita carbonite carbonite-gneiss carbonites carbonitites carbonitride carbo-nitride carbonitride alloying carbonitride coating carbonitrided carbonitrided case carbonitrided steel carbonitride fuel carbonitrides carbonitride segregation carbonitriding