“perpetual motion machine of the first kind”概念、定义、翻译-科学时代

单词	perpetual motion machine of the first kind
释义	物理学词汇手册 perpetual motion machine of the first kind 第一类永动机
随便看	flat-roof mirror flats flat sable flat saddle key flat satin stitch flat-scene image flat schedule flat sheet flat sheet flat slab flat sour flat sour bacteria flat sour bacteria flat space flat spacetime flat spectrum flat-spectrum radio quasar flat-spectrum source flat spin flat spin flat spinning machine flat spin recovery flat spiral feed flat spot flat-spotting

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。