相关单词近义词 excursion 远足extravehicular activity, 太空船外活动(简称EVA..., Eva 伊娃（女子名）..., moonwalk & vi(作)月球行走..., mission 使命, task 任务临近词spacer, space, space trash, space width, Space relay, space shape, space borne, space rover, Space Shoes, space draft, space sense, space orbit相似词spaceplane, spacer, spaceship, spacesuit, spacewoman, spacey, spacing, spacious, 返回 spacewalk