“行星状星云”概念、定义、翻译-科学时代

单词	行星状星云
释义	天文学词汇手册行星状星云 planetary nebula
随便看	food engineering for aqua-products food enrichment food equivalent food factor food fair food fermentation food fibre food fish food flavouring food forming food fortification food gathering food gathering economy food-grade lubricant food guideline food guide pyramid food gum food handler food hygiene food industry food ingredient food intake food irradiation food irradiation food irradiation reactor

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。