“mean density of matter”概念、定义、翻译-科学时代

单词	mean density of matter
释义	天文学词汇手册 mean density of matter 平均物质密度
随便看	snake charmer snake dance snake dance snake doctor snake eel snake formation attack snake gourd snake gourd snakegourd fruit snakehead snakehead Snake Hill snake-hole blasting snake in snake in the tunnel snake meat snake melon snake melon snake mouth Snake Nebula snake-nest boil snake out snake root snake's-head snake venom

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。