astronautic太空: the firmament; outer space航行: coastwise navigation; coasti ...的: 4次方是 The fourth power of 2 i ...太空航行: astronation; astronavigation; navigation; space太空航行地: astronautically下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:太空航行的,即可在微信中查询翻译