a voyage outside the Earth''s atmosphere 同义词：spaceflight, space travel,
例句与用法
1.
While general grievous commands entire fleets of massive capital vessels including his flagship trade federation cruiser , such spacefaring titans are impractical when it comes to planet - bound campaigns 格里沃斯将军指挥由巨型主力船舰，包括他的旗舰贸易联盟巡洋舰，组成的整个舰队，但这样的太空巨舰在行星内战役中却是不实际的。
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