“penna”的概念、定义、翻译、参考文献-科学参考

单词	penna
释义	penna [`pen·ǝ] See <<contour feather>>
随便看	endemic endemic goiter endemic rural plague endemic typhus endemism endergonic endermic endexine end-feed centerless grinding end-fire antenna end-fire array end instrument endite end item end labeling end lap endless loop endless tangent screw endless tangent screw sextant endlichite end loader end loss end mark end member end mill

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。