“million years”概念、定义、翻译-科学时代

单词	million years
释义	天文学词汇手册 million years 百万年
随便看	starting condition starting control starting current starting current starting current starting current of leakage protector starting damper starting datum mark starting device starting diameter starting flow rate of water meter starting fuel starting fuel control starting fuel supply starting impulse starting level starting lever starting load starting load starting-load cost starting material starting material starting moment starting moment starting overload ratio

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。