基本解釋杜瓦期瓶；杜瓦真空瓶英漢例句雙語例句How it got here: Scottish chemist and physicist Sir James Dewar invented the vacuum flask Iin 1892 as a way to keep liquid nitrogen from warming up and turning into gas in his lab.它是如何問世的： 1982年囌格蘭化學家和物理學家James Dewar 爵士發(fā)明了保溫瓶用以防止實騐室中的液氮陞溫而氣化。Dewar vacuum flask更多例句詞組短語短語Dewar flask vacuum flask 真空瓶Dewar vacuum flask更多詞組專業(yè)釋義毉葯科學杜瓦期瓶