spacemenn.宇宙飞行员(宇宙航行员；宇宙科学工作者)spacen.空间；处所；太空；空地；空闲；空格；间隙v.留间隔；分隔；走神；忘记space-saver dial省位拨号盘space transparency空间透明性space transforming空间变换space-time prism时空棱镜space early waming卫星导弹预警Space surveillance空间侦察space-time chaos时空混沌space-time comer时空困境Space availability空间可用性space constructing空间建构