astronautics
构词拆分
“astronautics”
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-ics后缀
Forms nouns referring to fields of knowledge or practice. · Forms nouns referring to activities.
也可拆分为
astro-前缀
“space”
celestial bodies: fixed stars, wandering stars (planets), etc.; space; astronomy · Combining form of star.
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nautics词根/词干
“navigation”
词源说明
释义（英文）
名词 Noun
- Navigation through space.
- The science and technology of space flight.