| 释义 |
- aliennoun
b2 - asteroidnoun
b2 - astronomernoun
b2 - astronomynoun
b2 - galaxynoun
b2 - Jupiternoun
b2 - landingnoun
b2 - launchverb
b2 - launchnoun
b2 - orbitnoun
b2 - orbitverb
b2 - rocketnoun
b2 - satellitenoun
b2 - solaradjective
b2 - solar systemnoun
b2 - spacecraftnoun
b2 - spacemannoun
b2 - spacesuitnoun
b2 - spacewalknoun
b2 - spacewomannoun
b2 - sunbeamnoun
b2 - sunrisenoun
b2 - sunsetnoun
b2 - take-offnoun
b2 - telescopenoun
b2 - universenoun
b2 - Venusnoun
b2 - voyagenoun
b2
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