| 单词 | mariner 5 |
| 释义 | Mariner 5Mariner 5A 245-kg US spacecraft that passed Venus at a distance of 3990 km on Oct. 19 1967. It measured Venus' temperature and atmospheric profile, accurately determined its mass and diameter, but failed to detect any magnetic field. |
| 随便看 |
|
英语词典包含2567994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。