astronautics
astronavigation = astronomical navigation astronomer astronomic astronomical astronomic(al) astronomically astronomy astrophotocamera astrophotographic astrophotography astrophysical astrophysicist astrophysics astropyle astrosphere astucious astute astutely astuteness asunder aswarm aswoon asyllabic asylum asymetrix asymmetric Asymmetric infornation asymmetrical asymmetric(al) |
astronautics /,æstrə'nɔ:tiks/
danh từ, số nhiều dùng như số ít
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