“U级”概念、定义、翻译-科学时代

单词	U级
释义	美术、书法与摄影词汇手册 U级 U-certificate
随便看	southern pea southern polar cap southern polarity Southern Renaissance southern rock Southern Sky Survey southern star Southern Theravāda Southern Triangle Southern Turkic Southern-Western method Southern West Semitic southern wood south following star South Galactic Cap South Galactic Pole south geomagnetic pole south-going stream South Hot Spring Park South Indian current South Korean won southland beech south magnetic pole South Manchurian Railway south north trade

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。