earthbound
adjective uk/ˈɜːθ.baʊnd/ us/ˈɝːθ.baʊnd/
不能离开地球表面的;只在地球（或陆地表面）上的
unable to leave the surface of the earth
The space shuttle remained earthbound because of a technical fault. 因为出现技术故障，航天飞机尚未能升空。
平淡无奇的;缺乏想象力的
not exciting or showing much imagination
an uninspired and earthbound performance 毫无创意、平淡无奇的演出