“Arthur of Brittany”概念、定义、翻译-科学时代

单词	Arthur of Brittany
释义	历史学词汇手册 Arthur of Brittany 布列塔尼的阿瑟（1187—1204，英王约翰的哥哥，布列塔尼独立的象征）
随便看	piston piston air drill piston bellow piston bomber piston compressor piston compressor piston corer piston drill pistone piston ejection ram piston engine piston engine piston filler piston flow piston flow piston flow piston gauge piston-in-cylinder capillary viscometer piston jig piston motion piston motor piston pin piston pressure reducing valve piston pump piston pump

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。