英语词汇“--白垩纪--白垩系”的翻译、意思、用法、释义-英汉汉英词典

单词	--白垩纪--白垩系
释义	1.白垩纪；2.白垩系Cretaceous
随便看	fractionator reflux analog computer--frac fractionator reflux analog computer，frac fractionators fractionator spacing of plate in fraction bar fraction b prothrombin fraction-- burn-up fraction collector fraction crystallization fraction defective fraction defective chart fraction-defective chart fraction-- delay(-neutron) fractioned fraction exchange fraction field fraction horse power fraction in arithmetic fractioning fraction in lowest term fractionisation fractionise fractionization fractionize fractionized