astrogation
/ˌæstrə'ɡeiʃən/
n. 
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geriatrist, geriopsy, Gerlachovka, germ, germ cell, germ layer, germ plasm, germ theory, germ tube, germ warfare,
相似单词
Astrocytus, astrodome, astrodynamics, astrofibroblastoma, astrogate, astrogation, astrogator, astrogeodesy, astrogeodynamics, astrogeography,