Chiefly Astronautics. That is initially designated as the crew, vehicle, equipment, etc., in contrast to a backup or reserve; esp. in prime crew n.…
| 单词 | θ207607 |
| 释义 | society > travel > air or space travel > people who fly in aircraft or spacecraft > [noun] > astronaut or traveller in space > originally selected crew of spacecraft (1) prime crew1965 Chiefly Astronautics. That is initially designated as the crew, vehicle, equipment, etc., in contrast to a backup or reserve; esp. in prime crew n.… |
| 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。