“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	bad sector bad sector bad sectoring Bad-Tibira bad time bad title bad title bad top bad track bad track bad trapping badwill bad year baeckea bael Baermann technique Baer radical baetylus Baeyer strain theory Baeyer-Villiger reaction Baez，Joan BAF BAF--BAF (bunker adjustment factor) BAF (bunker adjustment factor) BAF (bunker adjustment factor)

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。