astronautics
noun [ U ] uk/??s.tr??n??.t?ks/ us/??s.tr??nɑ?.t??ks/
航天学,宇宙航行学
the technology relating to space travel
| 单词 | astronautics |
| 释义 | astronautics noun [ U ] uk/??s.tr??n??.t?ks/ us/??s.tr??nɑ?.t??ks/ 航天学,宇宙航行学 the technology relating to space travel |
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