“long-lived sunspot”概念、定义、翻译-科学时代

单词	long-lived sunspot
释义	天文学词汇手册 long-lived sunspot 长寿太阳黑子
随便看	weed clearing weed control weed control weed cutter weeder weeder weeder weed-filled lake weedfree weed-free fallow weed hook weedicide weedicide weedicide weeding weeding fork weeding hoe weeding hook weeding machine weed killer weed killer weed killer weed killer weedkiller weed oil

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。