the interval between about a.d. 1400 and 1510 during which little activity is thought to have taken place on the sun.
| 单词 | θ911 |
| 释义 | the world > the universe > sun > solar activity > [noun] > solar radiation > inactivity (1) Spörer minimum1976 the interval between about a.d. 1400 and 1510 during which little activity is thought to have taken place on the sun. |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。