With singular agreement. The science and practice of space flight and human activity in space. Cf. cosmonautics n. at cosmonautic, adj. derivatives.
| 单词 | θ207466 |
| 释义 | society > travel > air or space travel > space flight > [noun] > science of (4) astronautics1928 With singular agreement. The science and practice of space flight and human activity in space. Cf. cosmonautics n. at cosmonautic, adj. derivatives. cosmonautics1950 the science of travel in space; astronautics. Subcategories:— specific (2) |
| 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。