“活动太阳黑子”概念、定义、翻译-科学时代

单词	活动太阳黑子
释义	天文学词汇手册活动太阳黑子 active sunspot
随便看	picked men picked troops Pickelflöte Pickelhering picker picker pickerel pickerel picker lap picker stick picker-to-part system picket picket fence cusp picket gate picketing picketing picketing picket ship picking picking picking picking picking belt picking by source picking conveyor

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。