Moon Express is not the only company seeking for the right to travel to outer space.
2018年6月四級真題（第一套）聽力 Section A
The outer layers of the volcano were worn away until the hard core stood completely exposed.
出自-2016年12月聽力原文
Some fish, too, have had limited success vacationing at the lake as less salty lagoons form on the outer edges from hot springs flowing into Lake Natron.
2017年12月六級真題（第三套）閱讀 Section C
Human beings cannot go to the outer space.
2015年高考英語浙江卷 閱讀理解 閱讀C 選項
The possibility that there is life on other planets in the universe has always inspired scientists to explore the outer space.
2018年高考英語天津卷 單項填空 原文
With its theme that “Mind is the master weaver，” creating our inner character and outer circumstances， the book As a Man Thinking by James Allen is an in-depth exploration of the central idea of self-help writing.