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1. Oxford American Dictionary

   astronautics

   • IPA[ˌastrəˈnôdiks]

   美式

   • plural
     the science and technology of human space travel and exploration.

   • noun: astronautics

2. • 更多解釋

   astronautics

   • IPA[ˌastrəˈnɔːtɪks]

   英式

   • plural
     the science and technology of space travel and exploration.

   Oxford Dictionary